Columbia subject headings:
Biologists--Netherlands--Biography.
Leeuwenhoek, Antoni van, 1632-1723.
Microscopes--History.
Harvard subject headings:
Biography
Biologists--Netherlands--Biography.
Leeuwenhoek, Antoni van, 1632-1723
Microscopes--History.
Princeton subject headings:
Biologists--Netherlands--Biography.
Leeuwenhoek, Antoni van, 1632-1723.