Letters written by Leeuwenhoek

Alle de Brieven / Collected Letters has over 350 letters. However, only those in this chronology that Leeuwenhoek designated Letter 1, Letter 2, etc. did he consider to contain publishable microscopic observations.

Date
April 28, 1673 Wrote Letter 1 of 1673-04-28 (AB 1) to Henry Oldenburg
August 15, 1673 Wrote Letter 2 of 1673-08-15 (AB 2) to Henry Oldenburg
November 8, 1673 Wrote letter of 1673-11-08 (AB 3) to Henry Oldenburg
April 5, 1674 Wrote letter of 1674-04-05 (AB 4) to Constantijn Huygens
April 7, 1674 Wrote Letter 3 of 1674-04-07 (AB 5) to Henry Oldenburg
April 16, 1674 Wrote letter of 1674-04-16 (AB 6) to Henry Oldenburg
April 24, 1674 Wrote letter of 1674-04-24 (AB 7) to Constantijn Huygens
June 1, 1674 Wrote Letter 4 of 1674-06-01 (AB 8) to Henry Oldenburg
July 6, 1674 Wrote Letter 5 of 1674-07-06 (AB 9) to Henry Oldenburg
September 7, 1674 Wrote Letter 6 of 1674-09-07 (AB 11) to Henry Oldenburg
September 7, 1674 Wrote letter of 1674-09-07 (AB 10) to Henry Oldenburg
October 19, 1674 Wrote Letter 7 of 1674-10-19 (AB 12) to Henry Oldenburg
December 4, 1674 Wrote Letter 8 of 1674-12-04 (AB 13) to Henry Oldenburg
December 26, 1674 Wrote letter of 1674-12-26 (AB 14) to Constantijn Huygens
January 22, 1675 Wrote Letter 9 of 1675-01-22 (AB 15) to Henry Oldenburg
February 11, 1675 Wrote Letter 10 of 1675-02-11 (AB 16) to Henry Oldenburg
March 26, 1675 Wrote Letter 11 of 1675-03-26 (AB 17) to Henry Oldenburg
August 14, 1675 Wrote Letter 12 of 1675-08-14 (AB 18) to Henry Oldenburg
December 20, 1675 Wrote Letter 13 of 1675-12-20 (AB 19) to Henry Oldenburg
January 22, 1676 Wrote letter of 1676-01-22 (AB 20) to Henry Oldenburg
February 22, 1676 Wrote Letter 14 of 1676-02-22 (AB 21) to Henry Oldenburg
April 21, 1676 Wrote Letter 15 of 1676-04-21 (AB 22) to Henry Oldenburg
May 29, 1676 Wrote Letter 16 of 1676-05-29 (AB 23) to Henry Oldenburg
July 28, 1676 Wrote Letter 17 of 1676-07-28 (AB 25) to Robert Boyle
July 28, 1676 Wrote letter of 1676-07-28 (AB 24) to Henry Oldenburg
October 9, 1676 Wrote Letter 18 of 1676-10-09 (AB 26) to Henry Oldenburg
October 30, 1676 Wrote letter of 1676-10-30 (AB 27) to Henry Oldenburg
November 7, 1676 Wrote letter of 1676-11-07 (AB 28) to Constantijn Huygens
November 27, 1676 Wrote letter of 1676-11-27 (AB 29) to Henry Oldenburg
February 15, 1677 Wrote letter of 1677-02-15 (AB 30) to Christiaan Huygens
March 23, 1677 Wrote Letter 19 of 1677-03-23 (AB 31) to Henry Oldenburg
May 14, 1677 Wrote Letter 20 of 1677-05-14 (AB 32) to Henry Oldenburg
October 5, 1677 Wrote Letter 21 of 1677-10-05 (AB 33) to Henry Oldenburg
October 16, 1677 Wrote letter of 1677-10-16 (AB 34) to William Brouncker
November 9, 1677 Wrote Letter 22 of 1677-11-09 (AB 35) to William Brouncker
December 2, 1677 Wrote letter of 1677-12-02 (AB 36) to William Brouncker
January 14, 1678 Wrote Letter 23 of 1678-01-14 (AB 37) to Robert Hooke about human blood, blood transfusions, flea larvae, and little animals in pepper water
March 18, 1678 Wrote Letter 24 of 1678-03-18 (AB 38) to Nehemiah Grew
May 31, 1678 Wrote Letter 25 of 1678-05-31 (AB 39) to Nehemiah Grew
September 27, 1678 Wrote Letter 26 of 1678-09-27 (AB 40) to Nehemiah Grew
December 26, 1678 Wrote letter of 1678-12-26 (AB 41) to Constantijn Huygens
February 21, 1679 Wrote Letter 27 of 1679-02-21 (AB 42) to Nehemiah Grew about cod sperm and about not finding any little animals in blood or saliva
April 25, 1679 Wrote Letter 28 of 1679-04-25 (AB 43) to Nehemiah Grew about living little animals in fish, hare, and dogs and his calculation that more than ten times as many living animals come from the milt of a cod as there are people living on the Earth
April 27, 1679 Wrote letter of 1679-04-27 (AB 44) to Constantijn Huygens
May 11, 1679 Wrote letter of 1679-05-11 (AB 45) to Lambert van Velthuysen
May 15, 1679 Wrote letter of 1679-05-15 (AB 46) to Christiaan Huygens
May 20, 1679 Wrote letter of 1679-05-20 (AB 47) to Constantijn Huygens
June 13, 1679 Wrote letter of 1679-06-13 (AB 48) to Nehemiah Grew
June 13, 1679 Wrote letter of 1679-06-13 (AB 49) to Lambert van Velthuysen
July 11, 1679 Wrote letter of 1679-07-11 (AB 50) to Lambert van Velthuysen
October 13, 1679 Wrote letter of 1679-10-13 (AB 51) to Robert Hooke
November 14, 1679 Wrote letter of 1679-11-14 (AB 52) to Lambert van Velthuysen about gout, salt, and drinking tea
November 20, 1679 Wrote letter of 1679-11-20 (AB 53) to Robert Hooke, copying his letter of 14 November 1679 to Velthuysen about gout, salt, and drinking tea
January 12, 1680 Wrote Letter 29 of 1680-01-12 (AB 54) to Robert Hooke about the structure of wood and sperm in fish
January 16, 1680 Wrote letter of 1680-01-16 (AB 55) to Robert Hooke, enclosing a copy of the letter of 1679-05-20 to Constantijn Huygens about the number and size of little animals
February 13, 1680 Wrote letter of 1680-02-13 (AB 56) to Robert Hooke that being elected a member of the Royal Society would be an honour
April 5, 1680 Wrote Letter 30 of 1680-04-05 (AB 57) to Robert Hooke about the testicles and sperm of a rat and organisms in the gills of oysters and in the sap of vines
May 13, 1680 Wrote letter of 1680-05-13 (AB 58) to Members of the Royal Society expressing his surprise and gratitude at being elected a member
May 13, 1680 Wrote letter of 1680-05-13 (AB 59) to Robert Hooke to gratefully accept his election as a foreign member of the Royal Society and to acknowledge the receipt of his diploma
May 13, 1680 Wrote Letter 31 of 1680-05-13 (AB 60) to Thomas Gale about little animals in sap and whether little animals are in the air
June 14, 1680 Wrote Letter 32 of 1680-06-14 (AB 62) to Thomas Gale about beer, yeast, crab's eyes in vinegar, and little animals reproducing in hermetically-sealed tubes
June 14, 1680 Wrote letter of 1680-06-14 (AB 61) to Robert Hooke, a short cover letter
August 9, 1680 Wrote letter of 1680-08-09 (AB 63) to Robert Hooke to ask whether the Royal Society received previous letters and to promise further investigations into the formation of blood
September 28, 1680 Wrote letter of 1680-09-28 (AB 64) to Thomas Gale to inquire whether his letter of 1680-06-14 to Hooke had arrived
November 12, 1680 Wrote Letter 33 of 1680-11-12 (AB 65) to Robert Hooke about blood globules, lees of wine, globules in rain water, milk vessels, reproduction, little animals in the male seed of animals, and their incomprehensible smallness
November 4, 1681 Wrote Letter 34 of 1681-11-04 (AB 66) to Robert Hooke about hog bristles, shedding hair, blackheads; living little animals in excrement, horse urine, clay, and gout
March 3, 1682 Wrote Letter 35 of 1682-03-03 (AB 67) to Robert Hooke about muscle fibres, hair, the cell nucleus in the erythrocytes of fishes, the liver of salmons, beards of oysters, and the structure and growth of oyster shell
April 4, 1682 Wrote Letter 36 of 1682-04-04 (AB 68) to Robert Hooke
July 28, 1682 Wrote letter of 1682-07-28 (AB 69) to Robert Hooke
January 22, 1683 Wrote Letter 37 of 1683-01-22 (AB 70) to Christopher Wren about the function of the ovary, muscles of insects, drinking tea and mild beer, erythrocytes, and a theory on the formation of blood
May 20, 1683 Wrote letter of 1683-05-20 (AB 71) to Anthonie Heinsius
July 16, 1683 Wrote Letter 38 of 1683-07-16 (AB 72) to Christopher Wren
July 22, 1683 Wrote letter of 1683-07-22 (AB 73) to Anthonie Heinsius
September 2, 1683 Wrote letter of 1683-09-02 (AB 74) to Anthonie Heinsius
September 16, 1683 Wrote letter of 1683-09-16 (AB 75) to Anthonie Heinsius
September 17, 1683 Wrote Letter 39 of 1683-09-17 (AB 76) to Francis Aston about saliva and bacteria in tartar, nasal hairs and blackheads, skin, fish scales, pores, and calluses
September 30, 1683 Wrote letter of 1683-09-30 (AB 77) to Anthonie Heinsius
October 14, 1683 Wrote letter of 1683-10-14 (AB 78) to Anthonie Heinsius
December 28, 1683 Wrote Letter 40 of 1683-12-28 (AB 79) to Francis Aston
April 14, 1684 Wrote Letter 41 of 1684-04-14 (AB 80) to Francis Aston about lenses and corneas, the function of eye-lids, the involuntariness of blinking, the optic nerve, and the skin of Moors
July 25, 1684 Wrote Letter 42 of 1684-07-25 (AB 81) to Members of the Royal Society about parts of the brain of several animals, chalk stones of gout, leprosy, and the scales of eels
January 5, 1685 Wrote Letter 43 of 1685-01-05 (AB 82) to Members of the Royal Society
January 23, 1685 Wrote Letter 44 of 1685-01-23 (AB 83) to Members of the Royal Society
March 30, 1685 Wrote Letter 45 of 1685-03-30 (AB 84) to Members of the Royal Society
July 13, 1685 Wrote Letter 46 of 1685-07-13 (AB 85) to Members of the Royal Society about reproduction of trees, transfer of nutrients, male and female trees, hazelnut, comparison of reproduction of mammals with the reproduction of plants, cross-breeding, and germinati
August 10, 1685 Wrote letter of 1685-08-10 (AB 86) to Anthonie Heinsius
September 21, 1685 Wrote letter of 1685-09-21 (AB 87) to Anthonie Heinsius
October 12, 1685 Wrote Letter 47 of 1685-10-12 (AB 88) to Members of the Royal Society about the beginning of plants in seeds; chyle, sweat, about skin, optic nerve, and bile of fish; salts in beer vinegar and lemon juice; and spirits mixed with blood and wine vinegar
January 22, 1686 Wrote Letter 48 of 1686-01-22 (AB 89) to Members of the Royal Society
April 2, 1686 Wrote Letter 49 of 1686-04-02 (AB 90) to Members of the Royal Society about the structure of bone, the bark of trees, skin and scales, the moisture evaporating from his body, and a little peeling piece of skin
April 14, 1686 Wrote letter of 1686-04-14 (AB 91) to Antonio Magliabechi
May 14, 1686 Wrote Letter 50 of 1686-05-14 (AB 92) to Members of the Royal Society about gall-nuts found on oak trees and the germination of plants
June 10, 1686 Wrote Letter 51 of 1686-06-10 (AB 93) to Members of the Royal Society about seeds of cotton, kapok, Bupariti, and coconuts, the reproduction of shrimp and lobster, and the eggs of shell fish
July 10, 1686 Wrote Letter 52 of 1686-07-10 (AB 94) to Members of the Royal Society about the growth and durability of wood felled in different seasons and countries, the annual growth rings, and how wooden barrels can be watertight
September 10, 1686 Wrote letter of 1686-09-10 (AB 95) to Daniël Papenbroek
October 30, 1686 Wrote letter of 1686-10-30 (AB 96) to Antonio Magliabechi
March 1, 1687 Wrote letter of 1687-03-01 (AB 97) to James II, King of England
April 4, 1687 Wrote Letter 53 of 1687-04-04 (AB 98) to Members of the Royal Society about the structure of the teeth of elephant, pig, humans, ox, and horse and about toothache
May 9, 1687 Wrote Letter 54 of 1687-05-09 (AB 99) to Members of the Royal Society about the structure of 'stone' of the medlar and the coffee bean and acid in plants
June 13, 1687 Wrote Letter 55 of 1687-06-13 (AB 100) to Members of the Royal Society
July 11, 1687 Wrote Letter 56 of 1687-07-11 (AB 101) to Members of the Royal Society
August 6, 1687 Wrote Letter 57 of 1687-08-06 (AB 102) to Members of the Royal Society
September 9, 1687 Wrote Letter 58 of 1687-09-09 (AB 103) to Members of the Royal Society about ant eggs, larvae and its development, feeding, sting, cocoon and nest
October 17, 1687 Wrote Letter 59 of 1687-10-17 (AB 104) to Members of the Royal Society
November 28, 1687 Wrote Letter 60 of 1687-11-28 (AB 105) to Members of the Royal Society about his discovery that cochineal was an insect and his experiments with cinchona bark
May 25, 1688 Wrote Letter 61 of 1688-05-25 (AB 106) to Members of the Royal Society
July 6, 1688 Wrote Letter 62 of 1688-07-06 (AB 107) to Members of the Royal Society
August 3, 1688 Wrote Letter 63 of 1688-08-03 (AB 108) to Members of the Royal Society
August 24, 1688 Wrote Letter 64 of 1688-08-24 (AB 109) to Members of the Royal Society
September 7, 1688 Wrote Letter 65 of 1688-09-07 (AB 110) to Members of the Royal Society
September 23, 1688 Wrote letter of 1688-09-23 (AB 111) to Melchisedec Thevenot
January 12, 1689 Wrote letter of 1689-01-12 (AB 112) to Robert Boyle
January 12, 1689 Wrote Letter 66 of 1689-01-12 (AB 113) to Members of the Royal Society
April 1, 1689 Wrote Letter 67 of 1689-04-01 (AB 114) to Members of the Royal Society
September 18, 1691 Wrote letter of 1691-09-18 (AB 115) to Antonio Magliabechi
November 27, 1691 Wrote Letter 68 of 1691-11-27 (AB 116) to Members of the Royal Society
January 4, 1692 Wrote Letter 69 of 1692-01-04 (AB 117) to Members of the Royal Society
February 1, 1692 Wrote Letter 70 of 1692-02-01 (AB 118) to Members of the Royal Society
March 7, 1692 Wrote Letter 71 of 1692-03-07 (AB 119) to Members of the Royal Society
April 22, 1692 Wrote Letter 72 of 1692-04-22 (AB 120) to Richard Waller
June 24, 1692 Wrote Letter 73 of 1692-06-24 (AB 121) to Members of the Royal Society
August 12, 1692 Wrote Letter 74 of 1692-08-12 (AB 122) to Members of the Royal Society
September 16, 1692 Wrote Letter 75 of 1692-09-16 (AB 123) to Members of the Royal Society
September 23, 1692 Wrote letter of 1692-09-23 (AB 124) to Mary, Queen of Great Britain
July 1, 1693 Wrote letter of 1693-07-01 (AB 125) to Richard Waller
October 15, 1693 Wrote Letter 76 of 1693-10-15 (AB 126) to Members of the Royal Society
October 27, 1693 Wrote letter of 1693-10-27 (AB 127) to Pieter Rabus
December 8, 1693 Wrote letter of 1693-12-08 (AB 128) to Richard Waller
December 20, 1693 Wrote Letter 77 of 1693-12-20 (AB 129) to Members of the Royal Society
January 19, 1694 Wrote letter of 1694-01-19 (AB 130) to Richard Waller
January 24, 1694 Wrote Letter 78 of 1694-01-24 (AB 131) to Members of the Royal Society
February 12, 1694 Wrote letter of 1694-02-12 (AB 132) to Richard Waller
February 24, 1694 Wrote Letter 79 of 1694-02-24 (AB 133) to Members of the Royal Society
March 2, 1694 Wrote Letter 80 of 1694-03-02 (AB 134) to Members of the Royal Society
March 19, 1694 Wrote Letter 81 of 1694-03-19 (AB 135) to Members of the Royal Society
April 2, 1694 Wrote Letter 82 of 1694-04-02 (AB 136) to Members of the Royal Society
April 30, 1694 Wrote Letter 83 of 1694-04-30 (AB 137) to Members of the Royal Society
May 26, 1694 Wrote letter of 1694-05-26 (AB 138) to Richard Waller
September 14, 1694 Wrote Letter 84 of 1694-09-14 (AB 139) to Richard Waller
November 30, 1694 Wrote Letter 85 of 1694-11-30 (AB 140) to Pieter Rabus
April 10, 1695 Wrote Letter 86 of 1695-04-10 (AB 141) to Anthonie Heinsius
April 22, 1695 Wrote Letter 87 of 1695-04-22 (AB 142) to Frederik Adriaan van Reede van Renswoude
May 1, 1695 Wrote Letter 88 of 1695-05-01 (AB 143) to Anthonie Heinsius
May 18, 1695 Wrote Letter 89 of 1695-05-18 (AB 144) to Frederik Adriaan van Reede van Renswoude
May 21, 1695 Wrote letter of 1695-05-21 (AB 145) to Pieter Rabus
May 23, 1695 Wrote letter of 1695-05-23 (AB 146) to Maarten Etienne van Velden
July 10, 1695 Wrote Letter 90 of 1695-07-10 (AB 147) to Frederik Adriaan van Reede van Renswoude
July 12, 1695 Wrote letter of 1695-07-12 (AB 148) to Maarten Etienne van Velden
July 20, 1695 Wrote Letter 91 of 1695-07-20 (AB 149) to Anthonie Heinsius
July 21, 1695 Wrote letter of 1695-07-21 (AB 150) to Pieter Rabus
August 1, 1695 Wrote letter of 1695-08-01 (AB 152) to Antonio Magliabechi
August 15, 1695 Wrote Letter 92 of 1695-08-15 (AB 151) to Frederik Adriaan van Reede van Renswoude
August 16, 1695 Wrote letter of 1695-08-16 (AB 153) to Antonio Magliabechi
August 18, 1695 Wrote Letter 93 of 1695-08-18 (AB 154) to Anthonie Heinsius
August 20, 1695 Wrote Letter 94 of 1695-08-20 (AB 155) to Frederik Adriaan van Reede van Renswoude
September 10, 1695 Wrote letter of 1695-09-10 (AB 156) to Pieter Rabus
September 18, 1695 Wrote Letter 95 of 1695-09-18 (AB 157) to Johann Wilhelm von Pfalz-Neuburg
October 18, 1695 Wrote letter of 1695-10-18 (AB 158) to Antonio Magliabechi
October 31, 1695 Wrote letter of 1695-10-31 (AB 159) to Antonio Magliabechi
November 3, 1695 Wrote Letter 96 of 1695-11-03 (AB 160) to Johann Wilhelm von Pfalz-Neuburg
December 1, 1695 Wrote letter of 1695-12-01 (AB 161) to Frederik Adriaan van Reede van Renswoude
December 22, 1695 Wrote letter of 1695-12-22 (AB 162) to Antonio Magliabechi
December 28, 1695 Wrote Letter 97 of 1695-12-28 (AB 163) to Hendrik van Bleyswijk
February 20, 1696 Wrote Letter 98 of 1696-02-20 (AB 164) to Frederik Adriaan van Reede van Renswoude
March 8, 1696 Wrote Letter 99 of 1696-03-08 (AB 165) to Nicolaas Witsen
June 1, 1696 Wrote letter of 1696-06-01 (AB 166) to Pieter Rabus
July 6, 1696 Wrote Letter 100 of 1696-07-06 (AB 167) to Nicolaas Witsen
July 10, 1696 Wrote Letter 102 of 1696-07-10 (AB 169) to Members of the Royal Society
July 10, 1696 Wrote Letter 101 of 1696-07-10 (AB 168) to Nicolaas Witsen
July 16, 1696 Wrote Letter 103 of 1696-07-16 (AB 170) to Frederik Adriaan van Reede van Renswoude
July 23, 1696 Wrote letter of 1696-07-23 (AB 171) to Pieter Rabus
August 26, 1696 Wrote Letter 104 of 1696-08-26 (AB 172) to Frederik Adriaan van Reede van Renswoude
August 28, 1696 Wrote letter of 1696-08-28 (AB 173) to Antonio Magliabechi
August 29, 1696 Wrote Letter 105 of 1696-08-29 (AB 174) to Hendrik van Bleyswijk
September 7, 1696 Wrote letter of 1696-09-07 (AB 175) to Antonio Magliabechi
September 12, 1696 Wrote Letter 106 of 1696-09-12 (AB 176) to Anthonie Heinsius
September 27, 1696 Wrote Letter 107 of 1696-09-27 (AB 177) to Hendrik van Bleyswijk
October 26, 1696 Wrote letter of 1696-10-26 (AB 178) to Maarten Etienne van Velden
October 30, 1696 Wrote letter of 1696-10-30 (AB 179) to N.N.
November 1, 1696 Wrote letter of 1696-11-01 (AB 180) to Harmen van Zoelen
February 12, 1697 Wrote letter of 1697-02-12 (AB 181) to Maarten Etienne van Velden
February 19, 1697 Wrote letter of 1697-02-19 (AB 182) to Hans Sloane
March 25, 1697 Wrote letter of 1697-03-25 (AB 183) to Members of the Royal Society
April 5, 1697 Wrote Letter 108 of 1697-04-05 (AB 184) to Members of the Royal Society
June 6, 1697 Wrote letter of 1697-06-06 (AB 185) to Antonio Magliabechi
July 1, 1697 Wrote letter of 1697-07-01 (AB 186) to Luca Giamberti
September 3, 1697 Wrote Letter 109 of 1697-09-03 (AB 187) to Jan van Leeuwen
September 10, 1697 Wrote Letter 110 of 1697-09-10 (AB 188) to Members of the Royal Society
November 2, 1697 Wrote letter of 1697-11-02 (AB 189) to Antonio Magliabechi
December 1, 1697 Wrote letter of 1697-12-01 (AB 190) to Johan Arnoldi
February 20, 1698 Wrote letter of 1698-02-20 (AB 191) to Antonio Magliabechi
April 17, 1698 Wrote letter of 1698-04-17 (AB 192) to Antonio Magliabechi
May 9, 1698 Wrote Letter 111 of 1698-05-09 (AB 193) to Members of the Royal Society
August 14, 1698 Wrote letter of 1698-08-14 (AB 194) to Antonio Magliabechi
September 20, 1698 Wrote Letter 112 of 1698-09-20 (AB 195) to Anthonie Heinsius
December 17, 1698 Wrote Letter 113 of 1698-12-17 (AB 196) to Harmen van Zoelen
February 1, 1699 Wrote Letter 114 of 1699-02-01 (AB 197) to N.N.
February 28, 1699 Wrote letter of 1699-02-28 (AB 198) to Antonio Magliabechi
April 26, 1699 Wrote Letter 115 of 1699-04-26 (AB 199) to Harmen van Zoelen
June 9, 1699 Wrote Letter 116 of 1699-06-09 (AB 200) to Members of the Royal Society
June 23, 1699 Wrote Letter 117 of 1699-06-23 (AB 201) to Members of the Royal Society
August 5, 1699 Wrote Letter 118 of 1699-08-05 (AB 202) to N.N.
September 25, 1699 Wrote Letter 119 of 1699-09-25 (AB 204) to Members of the Royal Society
September 25, 1699 Wrote letter of 1699-09-01 (AB 203) to Hans Sloane
October 1, 1699 Wrote Letter 120 of 1699-10-01 (AB 205) to Ehrenfried Walther von Tschirnhaus
October 16, 1699 Wrote Letter 121 of 1699-10-16 (AB 206) to Antonio Magliabechi
January 2, 1700 Wrote Letter 122 of 1700-01-02 (AB 207) to Hans Sloane
January 14, 1700 Wrote Letter 123 of 1700-01-14 (AB 208) to Nicolaes Boogaert van Belois
May 20, 1700 Wrote Letter 124 of 1700-05-20 (AB 209) to Hendrik van Bleyswijk
May 20, 1700 Wrote Letter 126 of 1700-05-20 (AB 210) to Anthonie Heinsius
June 2, 1700 Wrote Letter 125 of 1700-06-02 (AB 211) to Frederik Adriaan van Reede van Renswoude
June 14, 1700 Wrote Letter 127 of 1700-06-14 (AB 212) to Hans Sloane
June 16, 1700 Wrote Letter 133 of 1700-06-16 (AB 213) to N.N.
July 9, 1700 Wrote Letter 128 of 1700-07-09 (AB 214) to Hans Sloane
July 10, 1700 Wrote Letter 129 of 1700-07-10 (AB 215) to Anthonie Heinsius
July 27, 1700 Wrote Letter 130 of 1700-07-27 (AB 216) to Hans Sloane
August 1, 1700 Wrote Letter 131 of 1700-08-01 (AB 217) to N.N.
September 7, 1700 Wrote Letter 132 of 1700-09-07 (AB 218) to Hans Sloane
October 26, 1700 Wrote Letter 134 of 1700-10-26 (AB 219) to Hans Sloane
December 25, 1700 Wrote Letter 135 of 1700-12-25 (AB 220) to Hans Sloane
January 28, 1701 Wrote Letter 136 of 1701-01-28 (AB 221) to Hans Sloane
February 9, 1701 Wrote letter of 1701-02-09 (AB 222) to Frederik Adriaan van Reede van Renswoude
April 8, 1701 Wrote letter of 1701-04-08 (AB 223) to the Mayors of Delft
April 15, 1701 Wrote Letter 137 of 1701-04-15 (AB 224) to Members of the Royal Society
June 21, 1701 Wrote Letter 138 of 1701-06-21 (AB 226) to Members of the Royal Society
June 21, 1701 Wrote letter of 1701-06-21 (AB 227) to Hans Sloane
June 21, 1701 Wrote Letter 139 of 1701-06-21 (AB 225) to John Chamberlayne
August 2, 1701 Wrote Letter 140 of 1701-08-02 (AB 228) to Members of the Royal Society; bequest of 26 magnifying glasses
August 26, 1701 Wrote Letter 141 of 1701-08-26 (AB 229) to Frederik Adriaan van Reede van Renswoude
December 6, 1701 Wrote Letter 142 of 1701-12-06 (AB 231) to John Somers
December 6, 1701 Wrote letter of 1701-12-06 (AB 230) to Hans Sloane
December 20, 1701 Wrote Letter 143 of 1701-12-20 (AB 232) to Members of the Royal Society
February 9, 1702 Wrote Letter 144 of 1702-02-09 (AB 233) to Hendrik van Bleyswijk
February 14, 1702 Wrote Letter 145 of 1702-02-14 (AB 234) to Members of the Royal Society
April 20, 1702 Wrote letter of 1702-04-20 (AB 236) to Karl von Hessen-Kassel
April 20, 1702 Wrote Letter 146 of 1702-04-20 (AB 235) to Karl von Hessen-Kassel
April 28, 1702 Wrote letter of 1702-04-28 (AB 237) to Members of the Royal Society
December 8, 1702 Wrote letter of 1702-12-08 (AB 238) to John Chamberlayne
December 25, 1702 Wrote letter of 1702-12-25 (AB 239) to Members of the Royal Society
February 5, 1703 Wrote letter of 1703-02-05 (AB 240) to Members of the Royal Society
February 26, 1703 Wrote letter of 1703-02-26 (AB 241) to Members of the Royal Society
November 3, 1703 Wrote letter of 1703-11-03 (AB 243) to Members of the Royal Society
November 3, 1703 Wrote letter of 1703-11-03 (AB 242) to Hans Sloane
December 4, 1703 Wrote letter of 1703-12-04 (AB 244) to Members of the Royal Society
January 8, 1704 Wrote letter of 1704-01-08 (AB 245) to Members of the Royal Society
February 1, 1704 Wrote letter of 1704-02-01 (AB 246) to Members of the Royal Society
February 11, 1704 Wrote letter of 1704-02-11 (AB 247) to Petrus Valckenier
March 21, 1704 Wrote letter of 1704-03-21 (AB 248) to Members of the Royal Society
July 22, 1704 Wrote letter of 1704-07-22 (AB 249) to Members of the Royal Society
September 16, 1704 Wrote letter of 1704-09-16 (AB 250) to Members of the Royal Society
October 3, 1704 Wrote letter of 1704-10-03 (AB 251) to John Chamberlayne
November 4, 1704 Wrote letter of 1704-11-04 (AB 252) to Members of the Royal Society
December 13, 1704 Wrote letter of 1704-12-13 (AB 253) to Members of the Royal Society
March 3, 1705 Wrote letter of 1705-03-03 (AB 255) to John Chamberlayne
March 3, 1705 Wrote letter of 1705-03-03 (AB 254) to Members of the Royal Society
March 12, 1705 Wrote letter of 1705-03-12 (AB 256) to Antonio Magliabechi
March 27, 1705 Wrote letter of 1705-03-27 (AB 257) to Members of the Royal Society
April 24, 1705 Wrote letter of 1705-04-24 (AB 258) to Members of the Royal Society
May 25, 1705 Wrote letter of 1705-05-25 (AB 259) to Members of the Royal Society
December 18, 1705 Wrote letter of 1705-12-18 (AB 260) to Francesco Corner
December 29, 1705 Wrote letter of 1705-12-29 (AB 261) to Members of the Royal Society
March 7, 1706 Wrote letter of 1706-03-07 (AB 262) to Govert Bidloo
March 19, 1706 Wrote letter of 1706-03-19 (AB 263) to Members of the Royal Society
April 20, 1706 Wrote letter of 1706-04-20 (AB 264) to Members of the Royal Society
June 1, 1706 Wrote letter of 1706-06-01 (AB 265) to Members of the Royal Society
December 1, 1706 Wrote letter of 1707-00-01 (AB 266) to Angelus van Wikhuysen
May 17, 1707 Wrote letter of 1707-05-17 (AB 267) to John Chamberlayne
July 5, 1707 Wrote letter of 1707-07-05 (AB 268) to Members of the Royal Society
July 12, 1707 Wrote letter of 1707-07-12 (AB 269) to Members of the Royal Society
July 25, 1707 Wrote letter of 1707-07-25 (AB 270) to Members of the Royal Society
August 10, 1707 Wrote letter of 1707-08-10 (AB 271) to Anthonie Heinsius
October 18, 1707 Wrote letter of 1707-10-18 (AB 272) to Members of the Royal Society
November 22, 1707 Wrote letter of 1707-11-22 (AB 273) to Members of the Royal Society
December 6, 1707 Wrote letter of 1707-12-06 (AB 274) to Members of the Royal Society
January 1, 1708 Wrote letter of 1708-01-01 (AB 275) to Members of the Royal Society
June 29, 1708 Wrote letter of 1708-06-29 (AB 276) to Members of the Royal Society
August 28, 1708 Wrote letter of 1708-08-28 (AB 277) to Members of the Royal Society
October 9, 1708 Wrote letter of 1708-10-09 (AB 278) to Members of the Royal Society
September 10, 1709 Wrote letter of 1709-09-10 (AB 280) to John Chamberlayne
September 10, 1709 Wrote letter of 1709-09-10 (AB 279) to Hans Sloane
November 22, 1709 Wrote letter of 1709-11-22 (AB 281) to John Chamberlayne
January 14, 1710 Wrote letter of 1710-01-14 (AB 282) to Members of the Royal Society
February 2, 1710 Wrote letter of 1710-02-21 (AB 283) to Members of the Royal Society
June 6, 1710 Wrote letter of 1710-06-06 (AB 284) to Members of the Royal Society
November 11, 1710 Wrote letter of 1710-11-11 (AB 285) to Members of the Royal Society
August 15, 1711 Wrote letter of 1711-08-15 (AB 286) to Anthonie Heinsius
August 18, 1711 Wrote letter of 1711-08-18 (AB 287) to James Petiver
September 22, 1711 Wrote letter of 1711-09-22 (AB 288) to Members of the Royal Society
November 23, 1711 Wrote letter of 1711-11-23 (AB 289) to Anthonie Heinsius
December 29, 1711 Wrote letter of 1711-12-29 (AB 291) to Anthonie Heinsius
December 29, 1711 Wrote letter of 1711-12-29 (AB 290) to Anthonie Heinsius
March 1, 1712 Wrote letter of 1712-03-01 (AB 292) to Members of the Royal Society
April 12, 1712 Wrote letter of 1712-04-12 (AB 293) to Members of the Royal Society
June 10, 1712 Wrote letter of 1712-06-10 (AB 294) to Members of the Royal Society
November 8, 1712 Wrote letter of 1712-11-08 (AB 295) to Anthonie Heinsius
November 8, 1712 Wrote Letter I of 1712-11-08 (AB 296) to Anthonie Heinsius
December 17, 1712 Wrote Letter II of 1712-12-17 (AB 297) to Anthonie Heinsius
February 28, 1713 Wrote Letter III of 1713-02-28 (AB 298) to Jan Meerman
March 14, 1713 Wrote Letter IV of 1713-03-14 (AB 299) to Jan Meerman
March 25, 1713 Wrote Letter V of 1713-03-25 (AB 300) to Adriaen van Assendelft
March 29, 1713 Wrote Letter VI of 1713-03-29 (AB 301) to Anthonie Heinsius
June 28, 1713 Wrote Letter VII of 1713-06-28 (AB 302) to Members of the Royal Society
June 30, 1713 Wrote Letter VIII of 1713-06-30 (AB 303) to Anthonie Heinsius
October 12, 1713 Wrote letter of 1713-10-12 (AB 304) to Hans Sloane
October 24, 1713 Wrote Letter IX of 1713-10-24 (AB 305) to Antony Cinck
June 22, 1714 Wrote Letter X of 1714-06-22 (AB 306) to Members of the Royal Society
August 21, 1714 Wrote Letter XI of 1714-08-21 (AB 307) to Members of the Royal Society
October 26, 1714 Wrote Letter XII of 1714-10-26 (AB 308) to Members of the Royal Society
November 4, 1714 Wrote Letter XIII of 1714-11-04 (AB 309) to Adriaen van Assendelft
November 9, 1714 Wrote Letter XIV of 1714-11-09 (AB 310) to Members of the Royal Society
November 20, 1714 Wrote Letter XV of 1714-11-20 (AB 311) to Members of the Royal Society
January 11, 1715 Wrote letter of 1715-01-11 (AB 312) to Anthonie Heinsius
March 26, 1715 Wrote Letter XVI of 1715-03-26 (AB 314) to Antony Cinck
July 7, 1715 Wrote Letter XVII of 1715-07-07 (AB 315) to Antony Cinck
September 28, 1715 Wrote Letter XVIII of 1715-09-28 (AB 317) to Gottfried Leibniz
November 18, 1715 Wrote letter of 1715-11-18 (AB 319) to Gottfried Leibniz
November 18, 1715 Wrote Letter XIX of 1715-11-18 (AB 320) to Gottfried Leibniz
February 25, 1716 Wrote letter of 1716-02-25 (AB 321) to Anthonie Heinsius
March 3, 1716 Wrote Letter XX of 1716-03-13 (AB 322) to Gottfried Leibniz
May 10, 1716 Wrote Letter XXI of 1716-05-10 (AB 324) to Hubert Kornelis Poot
May 16, 1716 Wrote Letter XXII of 1716-05-16 (AB 325) to Gerard van Loon
May 19, 1716 Wrote Letter XXIII of 1716-05-19 (AB 326) to Gottfried Leibniz
May 22, 1716 Wrote Letter XXIV of 1716-05-22 (AB 327) to Cornelis Spiering
June 12, 1716 Wrote Letter XXV of 1716-06-12 (AB 324) to Antony Cinck
June 22, 1716 Wrote Letter XXVI of 1716-06-22 (AB 325) to Jan Gerard Kerkherdere
September 17, 1716 Wrote Letter XXVII of 1716-09-17 (AB 326) to Abraham Cornelis van Bleyswyck
September 28, 1716 Wrote Letter XXVIII of 1716-09-28 (AB 327) to Herman Boerhaave
November 5, 1716 Wrote Letter XXIX of 1716-11-05 (AB 328) to Herman Boerhaave
November 17, 1716 Wrote Letter XXX of 1716-11-17 (AB 329) to Gottfried Leibniz
November 21, 1716 Wrote Letter XXXI of 1716-11-21 (AB 330) to Herman Boerhaave
March 2, 1717 Wrote Letter XXXII of 1717-03-02 (AB 331) to Abraham Cornelis van Bleyswyck
March 6, 1717 Wrote Letter XXXIII of 1717-03-06 (AB 332) to Members of the Royal Society
March 6, 1717 Wrote Letter XXXIV of 1717-03-06 (AB 333) to Members of the Royal Society
May 6, 1717 Wrote Letter XXXV of 1717-05-06 (AB 334) to Ewout van Bleiswijk
May 26, 1717 Wrote Letter XXXVI of 1717-05-26 (AB 335) to Abraham Cornelis van Bleyswyck
June 15, 1717 Wrote Letter XXXVII of 1717-06-15 (AB 336) to Members of the Royal Society
July 6, 1717 Wrote Letter XXXVIII of 1717-07-06 (AB 337) to Antony Cinck
July 13, 1717 Wrote Letter XXXIX of 1717-07-13 (AB 338) to Jan Gerard Kerkherdere
August 18, 1717 Wrote Letter XL of 1717-08-19 (AB 339) to Adriaan Johannes Swalmius
August 26, 1717 Wrote Letter XLI of 1717-08-26 (AB 340) to Herman Boerhaave
September 10, 1717 Wrote Letter XLII of 1717-09-10 (AB 341) to Frederik Adriaan van Reede van Renswoude
September 17, 1717 Wrote Letter XLIII of 1717-09-17 (AB 342) to Members of the Royal Society
October 8, 1717 Wrote Letter XLIV of 1717-10-08 (AB 343) to Members of the Royal Society
October 22, 1717 Wrote Letter XLV of 1717-10-22 (AB 344) to Members of the Royal Society
November 20, 1717 Wrote Letter XLVI of 1717-11-20 (AB 345) to Members of the Royal Society
January 9, 1720 Wrote letter of 1720-01-09 (AB 354) to members of the Royal Society