1952 



Delacour, J. and J. T. Zimmer. 1952. The identity of Anser nigricans Lawrence 

 1846. Auk 69: 82-84. 



Ferguson-Lees, I. J. 1952. Studies of some species rarely photographed. XLVI: 

 The Brent Goose. Brit. Birds 45: 457. 



1951 



von Viereck, H. 1951. Uber die Ursachen fur die Abnahme der Ringelgans ( Branta 

 bernicla ) in den Winterquartieren. Vogelwarte 16: 18-22. [In German.] 



1950 



Lincoln, F. C. 1950. The American Brant — living bird of museum piece? Audubon 

 Mag. 52: 282-287. 



Sciple, G. W. 1950. American Brant, Branta b. hrota , in Georgia. Auk 67: 383. 



1949 



Sheppard, R. W. 1949. The American Brant on the lower Great Lakes. Can. 

 Field-Nat. 63: 99-100. 



1948 



Jewett, S. G. 1948. The Eastern Brant in Idaho. Condor 50: 93. 



1946 



Campbell, J. W. 1946. The food of the Widgeon and Brent Goose. Brit. Birds 

 39: 194-200, 226-232. 



1944 



Cottam, C, J. J. Lynch and A. L. Nelson. 1944. Food habits and management of 

 American Sea Brant. J. Wildl. Manage. 8: 36-56. 



1941 



Moffitt, J. and C. Cottam. 1941. Eelgrass depletion on the Pacific coast and 

 its effect upon Black Brant. U.S. Dept. Int., U.S. Fish & Wildl. Serv., 

 Wildl. Leafl. 204. 26 pp. 



1937 



Lewis, H. F. 1937. Migrations of the American Brant ( Branta bernicla hrota ). 

 Auk 54: 73-95. 



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