NYPL Digital Gallery provides access to over 450,000 images digitized from primary sources and printed rarities in the collections of The New York Public Library, including illuminated manuscripts, historical maps, vintage posters, rare prints and photographs, illustrated books, printed ephemera, and more. Divided into the following subject groups: (1) Arts & Literature; (2) Cities & Buildings; (3) Culture & Society; (4) History & Geography; (5) Industry & Technology; (6) Nature & Science; and (7) Printing & Graphics.

There are approximately 450,000 images in the collection.