Searchable collection of over one million digital images representing a cross-section of still pictures held by the Prints & Photographs Division and, in some cases, other units of the Library of Congress. The Library of Congress offers broad public access to these materials as a contribution to education and scholarship.

A digital library of primary sources in American social history from the antebellum period through reconstruction. The collection is particularly strong in the subject areas of education, psychology, American history, sociology, religion, and science and technology. This site provides access to 267 monograph volumes and over 100,000 journal articles with 19th century imprints. The project represents a major collaborative endeavor in preservation and electronic access to historical texts.

A digital library of primary sources in American social history primarily from the 19th century. The collection is particularly strong in education, psychology, American history, sociology, religion, and science and technology. Includes over 4 million page images, representing close to 13,000 volumes of primary source materials, including books and periodicals. Cornell University has focused on the major journal literature of the period. The University of Michigan has focused on monographs.