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
Streptomycin is an antibacterial agent of relatively low toxicity which was isolated by Selman A. Waksman in 1944 from certain strains of the soil actinomycete, Streptomyces grieseus.
Coles, E. H.
"Streptomycin: A Review of the Literature,"
Iowa State University Veterinarian: Vol. 9
, Article 6.
Available at: http://lib.dr.iastate.edu/iowastate_veterinarian/vol9/iss2/6