Complete Collected Letters

Volumes 1 through 20 of Alle de Brieven / Collected Letters, the complete series. Download for free.

Which number?

Master list (pdf) of all 602 L-numbers, their Leeuwenhoek number, and their Collected Letters number

first page

last page

Letter 18 (AB 26)
of 1676年10月09日
to Henry Oldenburg

first page

Letter 19 (AB 31)
of 1677年03月23日
to Henry Oldenburg

first page

Letter 20 (AB 32)
of 1677年05月14日
to Henry Oldenburg

Letter (AB 46)
of 1679年05月15日
to Christiaan Huygens

What he did

What the English translators did

compare how the translators handled capitalized words