Wildlife conservation — United States — Audiobooks
Our Vanishing Wild Life: Its Extermination and Preservation
by William T. (William Temple) Hornaday
The Mentor: Game Animals of America, Vol. 4, Num. 13, Serial No. 113, August 15, 1916
by William T. (William Temple) Hornaday
Pennsylvania wild cats
by Henry W. (Henry Wharton) Shoemaker