The Annie Gertrude Webb Porritt Papers consist of 1.75 linear feet and primarily relate to the various organizations of which she was a member. Types of materials include correspondence, Porritt's published and unpublished writings, minutes; bulletins, printed materials such as pamphlets and brochures, newsletters, notes, and conference materials.

The bulk of the papers date from 1916 to 1932. They focus on the central topics of birth control and women's suffrage, including historical sketches of both movements; materials related to Porritt's position as secretary of the American Birth Control League and as vice-president of the Hartford League of Women Voters, circa 1920s to 1932; and articles on birth control and suffrage for the Birth Control Review. Other topics include files on the Society of Friends, the Joint Committee on Delinquent Women, and lectures on social problems and parliamentary law. Notable correspondents include Alice Stone Blackwell, Mary Ware Dennett, Stella Hanau, Margaret Sanger, and Anna Howard Shaw.

This collection is organized into four series:

• I. BIOGRAPHICAL MATERIALS (1910-1976)
• II. WRITINGS (1910-1921)
• III. ORGANIZATION FILES (1906-87)
• IV. SUBJECT FILES (1898-1933)