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
Many reports from various states indicate the rapid spread of swine erysipelas at the present time.
Schweim, E. A.
Iowa State University Veterinarian: Vol. 5
, Article 17.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol5/iss2/17