All photos of Gertrude & Leo Stein, courtesy of the Carl Van Vechten collection at the Library of Congress.
Sources:
Shari Benstock. Women of the Left Bank: Paris 1900-1940 (Austin: University of Texas, 1986).
John Malcolm Brinnin. The Third Rose: Gertrude Stein and Her World (NY: Little, Brown & Company, l959).
James R. Mellow. Charmed Circle: Gertrude Stein & Company (NY: Praeger, l974).
Linda Simon. Gertrude Stein Remembered (Lincoln: University of Nebraska Press, 1994).
Linda Simon. The Biography of Alice B. Toklas (Lincoln and London: University of Nebraska Press, l977).
Carl Van Vechten, ed. The Selected Writings of Gertrude Stein (NY: Random House, l945).