Columbia subject headings:
Harvard subject headings:
Drawing--Collectors and collecting--Netherlands--Leiden.
Photographs--Collectors and collecting--Netherlands--Leiden.
Prints--Collectors and collecting--Netherlands--Leiden.
Rijksuniversiteit te Leiden. Prentenkabinet--History.
Princeton subject headings:
Prints--Collectors and collecting--Netherlands--Leiden.
Rijksuniversiteit te Leiden. Prentenkabinet--History.