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 black, female Cocker Spaniel, one year of age, was admitted to Stange Memorial Clinic on March 21, 1949 for an oophorohysterectomy and the removal of a dermoid cyst from each eye.
"Anomalies of the Eyes and Uterus,"
Iowa State University Veterinarian: Vol. 11
, Article 11.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol11/iss3/11