TY  - BOOK
AU  - Leidy,Joseph
TI  - Memoir on the extinct species of American ox
T2  - Smithsonian contributions to knowledge,
AV  - Q11 .S68 vol. 5
PY  - 1852///]
CY  - [Washington
PB  - Smithsonian Institution
KW  - Oxen, Fossil
ER  -