For additional information, including photographs as well as copies of letters of the Yost and Heydon families, see the Alumni biographical file of Rolfe Humphries, Class of 1915, in the College Archives.

Gillman, Richard, and Michael Paul Novak (eds.). Poets, Poetics, and Politics: America's Literary Community Viewed from the Letters of Rolfe Humphries, 1910-1969. With a biographical essay by Ruth Limmer. University Press of Kansas, 1992.