TY  - BOOK
AU  - Singer,Arthur B.
AU  - Zim,Herbert Spencer
AU  - Bruun,Bertel
AU  - Robbins,Chandler Seymour
TI  - Birds of North America: a guide to field identification 
SN  - 0307470024
AV  - QL681 .R59
U1  - 598.297 
PY  - 1966///
CY  - New York
PB  - Golden Press
KW  - Birds
KW  - North America
KW  - Identification
N1  - Bibliography: p. 326-327
UR  - http://www.archive.org/details/birdsofnorthamer00sing
UR  - http://www.openlibrary.org/books/OL24201750M
ER  -