This searchable repository of over 1.6 million high quality digital images offers tools for viewing, sharing, and saving visual materials. Although its strengths are visual art and architecture, Artstor includes images that are useful in both the humanities and the sciences.
NYPL Digital Gallery provides free and open access to over 700,000 images digitized from the The New York Public Library's vast collections, including illuminated manuscripts, historical maps, vintage posters, rare prints, photographs and more.
More than 30,000 digitized images from books, magazines, newspapers, original photographs, prints and postcards from the Picture Collection at the NYPL Mid-Manhattan Library. Most images date from before 1923.
The World Digital Library (WDL) makes available free of charge and in multilingual format, significant primary materials from countries and cultures around the world.
Created by faculty, staff, and students at California State University, this database provides educational access to approximately 80,000 digital images with a multidisciplinary focus.