Frogs, toads, and carp as eradicators of fluke disease /
Stiles, Ch. Wardell
Frogs, toads, and carp as eradicators of fluke disease / by Ch. Wardell Stiles - Washington : Government Printing Office, 1902 - 220-222 p. ; 24 cm
reprint from: Eighteenth annual report of the Bureau of Animal Industry 1901
Frogs, toads, and carp as eradicators of fluke disease / by Ch. Wardell Stiles - Washington : Government Printing Office, 1902 - 220-222 p. ; 24 cm
reprint from: Eighteenth annual report of the Bureau of Animal Industry 1901