Last chance on earth : a requiem for wildlife
1966
Caras, Roger A. |
Przewalski's horses
Przewalski's horse, Equus przewalskii, global conservation plan draft
1990
Foose, Thomas J. |
Lacy, R. C. |
Princee, F. |
Ryder, O. |
Seal, Ulysses S. |
Zimmermann, W. |