Brinnin, John Malcolm, and John Ashbery. The Third Rose: Gertrude Stein and her World. Addison-Wesley, 1959. 35
Commire, Anne, and Deborah Klezmer, editors. Women in World History: A Biographical Encyclopedia. Yorkin Publications, 1999–2002, 17 vols. 13: 249
Brinnin, John Malcolm, and John Ashbery. The Third Rose: Gertrude Stein and her World. Addison-Wesley, 1959. 36