Primary sources are original records created at the time historical events occurred or well after events in the form of memoirs and oral histories. Primary sources may include letters, manuscripts, diaries, journals, newspapers, speeches, interviews, memoirs, documents produced by government agencies such as Congress or the Office of the President, photographs, audio recordings, moving pictures or video recordings, research data, and objects or artifacts such as works of art or ancient roads, buildings, tools, and weapons.
Taken from the American Library Association / Reference and User Services Association http://www.ala.org/rusa/sections/history/resources/pubs/usingprimarysources
The following is a list of selected digital collections that include images, manuscripts, maps, and government documents.
The following is a selected list of digital collections supporting world history research.