TY  - BOOK
AU  - Perry, Bill
TI  - Our threatened wildlife
SN  - 698302761
U1  - 639.9 21st ed.
PY  - 1969///
CY  - Toronto
PB  - Longmans
KW  - Endangered species
KW  - Wildlife conservation
N1  - Index: p. 121-23
ER  -