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
On October 19, 1959, a 13-month old female St. Bernard was admitted to Stange Memorial Clinic with a history of having a bilateral chronic entropion of six months duration.
"Bilateral Entropion in a St. Bernard,"
Iowa State University Veterinarian: Vol. 22
, Article 8.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol22/iss3/8