The Purple Gallinule (Ionoris Matinicus) of Barro Colorado Island, Canal Zonev. 46No. 4American Ornithologists’ Union431–446
Gross, Alfred O. and Van Tyne, Josselyn. 1929. "The Purple Gallinule (Ionoris Matinicus) of Barro Colorado Island, Canal Zone." The Auk, 46, (4) 431–446.