Family members include author and suffragist Alice Stone Blackwell (1857-1950); her parents, Henry Browne Blackwell (1825-1909) and Lucy Stone (1818-1893), abolitionists and advocates of women's rights; her aunt, Elizabeth Blackwell (1821-1910), the first woman to receive an academic medical degree; and Elizabeth Blackwell's adopted daughter, Kitty Barry Blackwell (1848-1936). Includes correspondence, diaries, articles, and speeches of these and other Blackwell family members.

Antiquarian, historian, and mayor of Washington, D.C. Chiefly Force's personal papers and papers he collected for his nine-volume American Archives. Force's personal papers document his career as a Washington printer, newspaper editor, compiler, and collector. The collection records political, military, scientific, and social aspects of eighteenth and nineteenth century America.

Social reformer, author, and lecturer. Correspondence (1820s) from Wright as well as family correspondence, diaries (1849-1854), notes, and printed matter related to the D'Arusmont family.

Lawyer, educator, and librarian. Correspondence, legal files, financial files, printed matter, and clippings relating to Richards's career as a lawyer and professor and law librarian at Howard University, Washington, D.C.

United States cabinet officer, diplomat, senator from Missouri, Union army officer, journalist, and reformer. Correspondence, speeches, articles, newspaper clippings, printed matter, and scrapbooks pertaining to Liberal Republicanism, tariff reduction, civil service reform, anti-imperialism, election campaigns, and the administration of Rutherford B. Hayes in which Schurz served as secretary of the interior.

Abolitionist, merchant, and publisher. Correspondence, journals, and other papers reflecting Tappan's interests in abolition, African American education, religion, and his business ventures.