TY  - BOOK
T1  - Our continent :a natural history of North America.
DA  - c1976.
CY  - Washington :
CN  - QH102
CN  - QH102
PB  - National Geographic Society,
PP  - Washington :
PY  - c1976.
ID  - 72468
KW  - Natural history
SN  - 0870441531
TI  - Our continent :a natural history of North America.
ER  -