Scott, P. 1955. Ring-necked Duck in Gloucestershire: a new British bird. 

 Brit. Birds 48: 377. 



1954 



Kilhara, L. 1954. Repeated territorial attacks of Pied-billed Grebe on Ring- 

 necked Duck. Wilson Bull. 66: 265-267. 



1953 



Chandler, E. H. 1953. A breeding record for the Ring-necked Duck in Massa- 

 chusetts. Auk 70: 86. 



Nicholson, W. R. 1953. A study of the breeding waterfowl of Corinna Stream. 

 M.S. thesis, Univ. Maine/Orono, ME. 118 pp. 



1952 



Mendall, H. L. 1952. Maine's new citizen — the Ring-necked Duck. Bull. Maine 

 Audubon Soc . 8: 22-25. 



1951 



Yocum, C. F. 1951. Breeding status of the Ring-necked Duck in Washington. 

 Condor 53: 47-49. 



1949 



Springer, P. F. 1949. Recent records of the Ring-necked Duck. Auk 66: 200. 



Tuck, L. M. 1949. Occurrence of the Ring-necked Duck in Newfoundland. Can. 

 Field-Nat. 63: 211-212. 



1947 



Mansell, W. C. 1947. Ring-necked Duck breeding in Ontario. Auk 64: 474. 



Severinghaus , C. W. and D. Benson. 1947. Ring-necked Duck broods in New York 

 State. Auk 64: 626-627. 



1946 



Squires, W. A. 1946. Old breeding records of the Ring-necked Duck in New 

 Brunswick. Auk 63: 600. 



1945 



Zirrer, F. 1945. The Ring-necked Duck. Passenger Pigeon 7: 41-46. 



1940 



Moffitt, J. 1940. The Ring-necked Duck in northern California. Gull 22: 13- 

 15. 



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