Volumes 1 through 20 of Alle de Brieven / Collected Letters, the complete series. Download for free.
Master list (pdf) of all 602 L-numbers, their Leeuwenhoek number, and their Collected Letters number
Antony's father, Philips Thonis Leeuwenhoek, was buried in Nieuwe Kerk.
Record not available on Digitale Stamboom