Hiram C. Polk: the horseman.
Richardson
J David
JD
Department of Surgery, University of Louisville School of Medicine, Louisville, KY 40292, USA.
D000818:Animals; D013502:General Surgery / Q000266:history*; D049673:History, 20th Century; D006736:Horses; D006801:Humans; D007629:Kentucky; D007899:Leisure Activities; D008922:Mississippi; D009511:New England; D013177:Sports / Q000266:history