Iowa State University Veterinarian Records, RS 22/6/0/9, University Archives, Special Collections Department, Iowa State University, http://www.add.lib.iastate.edu/spcl/arch/rgrp/22-6-0-9.html
Dr. H. D. Bergman, for 33 years head of the Department of Veterinary Physiology and Pharmacology at Iowa State College, was named dean of the Division of Veterinary Medicine and director of the Veterinary Research Institute in 1943.
Iowa State University Veterinarian: Vol. 12
, Article 10.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol12/iss3/10