Research Guides
Images: Congressional Hearing: Crime of Lynching (1948), Letter from Abraham Lincoln to John M. Clay (1862), Pvt. Droop has missed the war! (1944), Indian Claims: The Skookum Democratic Club to Levi Maish (1894) & US Senate Report: Care and treatment of persons afflicted with leprosy (1916)
Most government material is housed in the Government Publications section on the ground floor of Suzzallo Library. Librarians there can help you find material you need.
These are collections of official papers digitized by the Library of Congress in order of presidency. Also see the American Presidency Project, Public Papers of the Presidents of the United States, Founders Online and the Presidential Oral History Project.