The anatomy of the labrador duck, camptorhynchus labradorius (gmelin). With five plates
Butsch, Robert S.
The anatomy of the labrador duck, camptorhynchus labradorius (gmelin). With five plates - Washington : Smithsonian Institution, 1958. - 22 p. : il. ; 21 cm. - Smithsonian Miscellaneous Colections ; 7 .
The anatomy of the labrador duck, camptorhynchus labradorius (gmelin). With five plates - Washington : Smithsonian Institution, 1958. - 22 p. : il. ; 21 cm. - Smithsonian Miscellaneous Colections ; 7 .