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United States. Department of the Interior. Bureau of Sport Fisheries and Wildlife. Fish and Wildlife Service. (Corporate Name)

Number of records used in: 1

Preferred form: United States. Department of the Interior. Bureau of Sport Fisheries and Wildlife. Fish and Wildlife Service.

Machine generated authority record.

Work cat.: (MWDU)21649: McDonald, Malcolm E. 5921, Catalogue of helminths of waterfowl (anatidae) /, 1969.