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 Dec. 10, 1940, a black 7-year-old jennie mule was presented to the Iowa State College clinic for treatment. The animal was in a very weak and emaciated condition. Its pulse was 44, respiration 15, and temperature 99.6°.
Van Howeling, D. C.
Iowa State University Veterinarian: Vol. 3
, Article 15.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol3/iss2/15