Letters written by Leeuwenhoek during Period 6

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
November 8, 1712 Wrote Letter I of 1712-11-08 (AB 296) to Anthonie Heinsius
November 8, 1712 Wrote letter of 1712-11-08 (AB 295) 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 313) to Antony Cinck
July 7, 1715 Wrote Letter XVII of 1715-07-07 (AB 314) to Antony Cinck
September 28, 1715 Wrote Letter XVIII of 1715-09-28 (AB 315) to Gottfried Leibniz
November 18, 1715 Wrote Letter XIX of 1715-11-18 (AB 317) to Gottfried Leibniz
November 18, 1715 Wrote letter of 1715-11-18 (AB 316) to Gottfried Leibniz
February 25, 1716 Wrote letter of 1716-02-25 (AB 318) to Anthonie Heinsius
March 13, 1716 Wrote Letter XX of 1716-03-13 (AB 319) to Gottfried Leibniz
May 10, 1716 Wrote Letter XXI of 1716-05-10 (AB 320) to Hubert Kornelis Poot
May 16, 1716 Wrote Letter XXII of 1716-05-16 (AB 321) to Gerard van Loon
May 19, 1716 Wrote Letter XXIII of 1716-05-19 (AB 322) to Gottfried Leibniz
May 22, 1716 Wrote Letter XXIV of 1716-05-22 (AB 323) 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 1717-08-18 (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