TY  - BOOK
AU  - Sanborn,Colin Campbell
TI  - Chicago winter birds
T2  - Leaflet / Field Museum of Natural History, Dept. of Zoology
AV  - QL1 .F5 no. 2
PY  - 1922///
CY  - Chicago
PB  - Field Museum of Natural History
KW  - Birds
KW  - Illinois
KW  - Chicago
N1  - Cover title; "Classified list of Chicago winter birds": p. 10-11
ER  -