Hochbaum, H. A. 1946. Status of the Redhead in southern Manitoba. Wilson 

 Bull. 58: 62-65. 



1945 



Low, J. B. 1945. Ecology and management of the Redhead ( Nyroca americana ) in 

 Iowa. Ecol. Monogr. 15: 35-69. 



Mendall, H. L. 1945. Redhead breeding in New Brunswick. Auk 62: 465. 



1944 



Williams, C. S. 1944. Migration of the Redhead from the Utah breeding grounds. 

 Auk 61: 251-259. 



1943 



Low, J. B. 1943. A deformed Redhead duckling. Condor 45: 234-235. 



1941 



Low, J. B. 1941a. The ecology and management of the Redhead, Nyroca americana , 

 in Iowa. Ph.D thesis, Iowa St. Univ. /Ames, IA. 



. 1941b. The ecology and management of the Redhead, Nyroca americana 



(Eyton) , in Iowa. Iowa St. Coll. J. Sci. 16: 90-92. 



. 1941c. Nesting of the Ruddy Duck in Iowa. Auk 58: 506-517. 



1940 



Low, J. B. 1940. Production of the Redhead ( Nyroca americana ) in Iowa. Wil- 

 son Bull. 52: 153-164. 



1938 



Bennett, L. J. 1938. Redheads and Ruddy Ducks nesting in Iowa. Trans. N. Am. 

 Wildl. Conf. 3: 647-650. 



1936 



Todd, W. E. C. 1936. The Redhead and Ring-necked Duck breeding at Pymatuning 

 Lake, Pennsylvania. Auk 53: 440. 



1934 



Lincoln, F. C. 1934. Distribution and migration of the Redhead. Pp. 280-287 

 in Trans. 20th Am. Game Conf., Hotel Pennsylvania, New York, New York, 

 22-24 January 1934. vi and 424 pp. 



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