A revised list of birds of Barro Colorado Island, Panama /
Willis, Edwin O.,
A revised list of birds of Barro Colorado Island, Panama / Edwin O. Willis and Eugene Eisenmann. - City of Washington : Smithsonian Institution Press, 1979. - 31 pages ; 27 cm. - Smithsonian contributions to zoology no. 291 .
Birds--Panama--Barro Colorado Island--Classification.
A revised list of birds of Barro Colorado Island, Panama / Edwin O. Willis and Eugene Eisenmann. - City of Washington : Smithsonian Institution Press, 1979. - 31 pages ; 27 cm. - Smithsonian contributions to zoology no. 291 .
Birds--Panama--Barro Colorado Island--Classification.