Antoni van Leeuwenhoek Foundation | Goededoelen.nl
Antoni van Leeuwenhoek - Linda Hall Library
Eye to eye with a 350-year old cow | Bibliotheca Hertziana – Max Planck Institut for Art History
File:The select works of Antony Van Leeuwenhoek, containing his microscopical discoveries in many of the works of nature Fleuron T111069-22.png - Wikimedia Commons
File:Antoni van Leeuwenhoek (par Smith).jpg - Wikimedia Commons
File:Antoni van Leeuwenhoek.jpg - Wikimedia Commons