Krell, F.; Stephenson, J. T. 2012: The Entomology Collection at the Denver Museum of Nature & Science. Denver Museum of Nature & Science Technical Report., Denver (6), S. 40-44, pp. 42
Perry, M. C. 2007: The Washington Biologists' Field Club: Its members and its history (1900-2006) Washington Biologists' Field Club, 325 S., pp. 228-229, Portr.