Parasites and parasitic diseases of horses
Schwartz, Benjamin, Imes, Marrion, Wright, W.H.
Parasites and parasitic diseases of horses - Washington 1930 - 1-55 p. - Diseases, Horses United States Depatment of Agriculture. Circular No. 148 .
Parasites and parasitic diseases of horses - Washington 1930 - 1-55 p. - Diseases, Horses United States Depatment of Agriculture. Circular No. 148 .