Related materials can be found in the Sophia Smith Collection in the papers of Joan E. Biren, Diana Davies, Kady, Kay Gardner, Ronnie Gilbert, Tinuviel, Katherine Triantafillou; records of the Sister Singers Network and the Kansas City Womyn's Chorus, and the Music Collection. The Sophia Smith Collection's Periodicals Collection contains full runs of many titles with significant women's music and culture content including, Hot Wire-the Journal of Women's Music and Culture, Lesbian Connection, Media Report to Women, and Off Our Backs. The Five College libraries maintain full runs of Sing Out! in paper and electronic form.

Related materials can also be found at the Schlesinger Library in the Holly Near and Alix Dobkin Papers .