Letters written by Leeuwenhoek during Period 2

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 25, 1679 Wrote Letter 28 of 1679-04-25 (AB 43) to Nehemiah Grew
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
November 20, 1679 Wrote letter of 1679-11-20 (AB 53) to Robert Hooke
January 12, 1680 Wrote Letter 29 of 1680-01-12 (AB 54) to Robert Hooke
January 16, 1680 Wrote letter of 1680-01-16 (AB 55) to Robert Hooke
February 13, 1680 Wrote letter of 1680-02-13 (AB 56) to Robert Hooke
April 5, 1680 Wrote Letter 30 of 1680-04-05 (AB 57) to Robert Hooke
May 13, 1680 Wrote letter of 1680-05-13 (AB 58) to Members of the Royal Society
May 13, 1680 Wrote letter of 1680-05-13 (AB 59) to Robert Hooke
May 13, 1680 Wrote Letter 31 of 1680-05-13 (AB 60) to Thomas Gale
June 14, 1680 Wrote letter of 1680-06-14 (AB 61) to Robert Hooke
June 14, 1680 Wrote Letter 32 of 1680-06-14 (AB 62) to Thomas Gale
August 9, 1680 Wrote letter of 1680-08-09 (AB 63) to Robert Hooke
September 28, 1680 Wrote letter of 1680-09-28 (AB 64) to Thomas Gale
November 12, 1680 Wrote Letter 33 of 1680-11-12 (AB 65) to Robert Hooke
November 4, 1681 Wrote Letter 34 of 1681-11-04 (AB 66) to Robert Hooke
March 3, 1682 Wrote Letter 35 of 1682-03-03 (AB 67) to Robert Hooke
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
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
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
July 25, 1684 Wrote Letter 42 of 1684-07-25 (AB 81) to Members of the Royal Society
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
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
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
May 14, 1686 Wrote letter of 1686-05-14 (AB 91) to Antonio Magliabechi
May 14, 1686 Wrote Letter 50 of 1686-05-14 (AB 92) to Members of the Royal Society
June 10, 1686 Wrote Letter 51 of 1686-06-10 (AB 93) to Members of the Royal Society
July 10, 1686 Wrote Letter 52 of 1686-07-10 (AB 94) to Members of the Royal Society
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