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 brief report on the testing of Bacillus anthracis cultures which had been sealed in 1928.
Packer, R. A.
"Long Live Anthrax,"
Iowa State University Veterinarian: Vol. 40
, Article 10.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol40/iss2/10