TY  - BOOK
AU  - Wallace,George John
TI  - An introduction to ornithology
AV  - QL673 .W3 1955
U1  - 598.2 
PY  - 1955///
CY  - New York
PB  - Macmillan
KW  - Ornithology
KW  - Local
N1  - Bibliography: p. 393-412
ER  -