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 5-year-old female Cocker Spaniel was admitted to the clinic on Nov. 19, 1954, with a history of swelling of the lymph nodes, especially in the throat region. The enlargement of the submaxillary lymph nodes was noticed Iljz weeks before the dog was admitted to the clinic. The dog had a history of good appetite, normal bowels, still active, but had the appearance of being slightly anemic.
"Lymphocytomatosis in a Cocker Spaniel,"
Iowa State University Veterinarian: Vol. 17
, Article 7.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol17/iss2/7