Alle de Brieven. The Collected Letters. Volume 6
Letters 90 [49] – 101 [56] written between 1686 and 1687. Editor, J.J. Swart
The links below take you to the text of the letter in the original Dutch and in English translation from Alle de Brieven. The Collected Letters at the DBNL - De Digitale Bibliotheek voor de Nederlandse Letteren (Digital Library for Dutch Letters).
Cole's number, usually the same as Leeuwenhoek's, is in brackets. These are the numbers used by Dobell, who wrote before the Committee of Dutch Scientists began collecting and numbering all of the letters.
Letter 90 [49] of 2 April 1686
Letter 91 of 12 April 1686
Letter 92 [50] of 14 May 1686
Letter 93 [51] of 10 June 1686
Letter 94 [52] of 10 July 1686
Letter 95 of 10 September 1686
Letter 96 of 30 October 1686
Letter 97 of 1 March 1687
Letter 98 [53] of 4 April 1687
Letter 99 [54] of 9 May 1687
Letter 100 [55] of 13 June 1687
Letter 101 [56] of 11 July 1687