Mike Donahey, Leander Clark College, The Times-Republican (Marshalltown, Iowa), August 2009
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"Negro Alumni of the Colleges of Iowa", by Prof. Paul S. Peirce, in W.E.B. Du Bois and Augustus Granville Dill, eds., The College-Bred Negro American (Report of a Social Study made by Atlanta University under the patronage of the Trustees of the John F. Slater Fund; with the Proceedings of the 15th Annual Conference for the Study of the Negro Problems, held at Atlanta University, on Tuesday, May 24th, 1910). The Atlanta University Publications, No. 15. Page 30.