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
T his article deals with methods in use at Rillito track in Tucson, Arizona; however, all are run in a similar manner with some modifications necessary due to purely local conditions.
Fox, L. W.
"The Veterinarian and the Race Track,"
Iowa State University Veterinarian: Vol. 19
, Article 6.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol19/iss1/6