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
October 25, 1948, a 10-year-old white stock-horse was admitted to Stange Memorial Clinic. Prior to its entry the horse had been treated for a carcinoma by surgical removal of the left lower eye lid.
Whitcomb, O. and Neuman, A.
"Carcinoma of the Eye.,"
Iowa State University Veterinarian: Vol. 11
, Article 10.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol11/iss2/10