Notes on the ornithology of tropical East Africa.
Cambridge MA: Museum of Comparative Zoology, 1937. Octavo, publisher's printed wrappers.
Bulletin of the Museum of Comparative Zoology, volume 81, number one.
Cambridge MA: Museum of Comparative Zoology, 1937. Octavo, publisher's printed wrappers.
Bulletin of the Museum of Comparative Zoology, volume 81, number one.