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
While working as Nevada Agricultural Extension Service Veterinarian and as Veterinarian for the Clark County Livestock Improvement Association for a two and one-third year period in southern Nevada, the author tested for and treated thousands of cases of infectious bovine mastitis. This article reports on two sets of investigations on the incidence of mastitis.
Maddy, Keith T.
"Studies and Observations on Bovine Mastitis. I. Incidence of Mastitis,"
Iowa State University Veterinarian: Vol. 15
, Article 1.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol15/iss3/1