The New Jersey Historical Society in Newark has a rich collection of archival and other materials relating to the political, social, cultural and economic history of New Jersey. You can search or browse the Finding Aids to NJHS collections.
Search the Archives and Manuscripts collections included in the New York Public Library catalog. To search the full text of archival collections descriptions search AMAT, the Archival Materials Access Tool.
The Library of Congress site offers access to more than 9 million digital items from more than 100 historical collections of primary source materials relating to the history and culture of the United States. The collections include manuscripts, photographs, posters, maps, books, pamphlets, and sheet music, as well as sound recordings and motion pictures and can either be browsed or searched.
Rutgers Special Collections and University Archives collects, preserves, and makes available primary
sources of a rare, unique, or specialized nature. Includes the Sinclair New Jersey Collection of printed materials (approximately 67,000 monographs, pamphlets, periodicals and serials), the largest, most comprehensive library documenting New Jersey history and culture.
The Newark Archives Project is creating detailed descriptions of primary materials relating to Newark that are available in repositories in Newark and elsewhere. The collections described include papers of individuals and families; records of government agencies, organizations, and businesses; photographs and film; audio collections; and more. A wonderful, and growing, resource for finding archival materials on Newark!