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
Assistance in diagnosing a suspected outbreak of equine infectious anemia (swamp fever) was requested of the Bureau of Animal Industry on Aug. 20. The request came from Dr. E. W. Smith, state veterinarian of New Hampshire. The suspected outbreak occurred at the Rockingham Park race track near Salem, N. H.
"A Recent Outbreak of Equine Infectious Anemia,"
Iowa State University Veterinarian: Vol. 10
, Article 6.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol10/iss1/6