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
Dr. G. W. Cornwell, I.S.C. '41, and Dr. H. P. Sandberg, I.S.C. '52, of Boone, Iowa, have a distinguished business establishment which is rather unique and practical. - They have taken a step to provide their community with good veterinary service plus facilities for clinical diagnosis and treatment.
"Remodeled to Order--A Veterinary Hospital,"
Iowa State University Veterinarian: Vol. 16
, Article 4.
Available at: https://lib.dr.iastate.edu/iowastate_veterinarian/vol16/iss2/4