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 spay operation to be described was observed at an army post during the past summer. Although the description is made with the full permission of the Commanding Officer and the operating surgeon, army regulations do not permit names or places to be published.
Iowa State University Veterinarian: Vol. 5
, Article 4.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol5/iss2/4