A catalog of the type-specimens of Recent Cephalopoda in the National Museum of Natural History - Roper, Clyde F. E., 1937-; Sweeney, Michael J., 1945- (Washington : Smithsonian Institution Press, 1978)
Bibliography : p. 18-19
Keywords: National Museum of Natural History (U.S.); Cephalopoda -- Catalogs and collections; Type specimens (Natural history); Mollusks -- Catalogs and collections