National Geographic Society (U.S.), Henshaw, H. W. 1., Shiras, G., Kennard, F. H., Cooke, W. W. 1., Nelson, E. W., . . . Nelson, E. W. (1927). The book of birds: Birds of town and country, the warblers, and American game birds,. Washington D.C.: National Geographic Society.

National Geographic Society (U.S.), et al. The Book of Birds: Birds of Town and Country, the Warblers, and American Game Birds,. Washington D.C.: National Geographic Society, 1927.

National Geographic Society (U.S.), et al. The Book of Birds: Birds of Town and Country, the Warblers, and American Game Birds,. Washington D.C.: National Geographic Society, 1927.