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
The 1984 American Association of Bovine Practitioners Annual Conference was held in Des Moines on November 27-30. According to Dr. Harold Amstutz, secretary-treasurer, there were approximately 1400 registrants for the four-day event.
"Successful 1984 AABP Conference Held in Des Moines,"
Iowa State University Veterinarian: Vol. 46
, Article 10.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol46/iss2/10