"We can accept the evasions", Marble wrote, "or we can face the issue squarely and honestly ... It so happens that I tan very easily in the summer—but I doubt that anyone ever questioned my right to play in the Nationals because of it." Let Us Remember Alice Marble, the Catalyst for Althea Gibson to Break the Color Barrier. Huffington Post (August 30, 2007), retrieved May 9, 2013.
Bigalke, Jay (August 19, 2013). "Althea Gibson stamp 36th in Black Heritage series; ceremony to take place Aug. 23 in Flushing, N.Y.". Linn's Stamp News. 86 (4425). Sidney, Ohio: Amos Press, Inc.: 1 and 34–36. ISSN0161-6234.