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
A large purebred collie was admitted to the Glendale Small Animal Hospital, Glendale, California, having an ulcerated area circumscribing the left eye.
Burnham, C. H.
"Sulfanilamide in Wound Healing,"
Iowa State University Veterinarian: Vol. 4
, Article 12.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol4/iss1/12