TY  - BOOK
AU  - Kortright,Francis H.
AU  - Shortt,T.M.
ED  - American Wildlife Institute.
TI  - The ducks, geese and swans of North America,: a vade mecum for the naturalist and the sportsman,
AV  - QL696.A5 K6 1943
U1  - 598.41 
PY  - 1943///
CY  - Washington, D.C.
PB  - American Wildlife Institute
KW  - Anatidae
KW  - Birds
KW  - North America
KW  - Anatidés
KW  - Oiseaux
KW  - Amérique du Nord
N1  - Second edition, May, 1943; Bibliography: p. 465-473
UR  - http://www.archive.org/details/ducksgeeseswanso00kort
ER  -