Swine husbandry in Oregon
Withycombe, James, Potter, E.L.
Swine husbandry in Oregon - Oregon 1911 - 1-40 p. - Swine, Husbandry Oregon Agricultural Experiment Station. Circular Bulletin No. 18 .
Swine husbandry in Oregon - Oregon 1911 - 1-40 p. - Swine, Husbandry Oregon Agricultural Experiment Station. Circular Bulletin No. 18 .