On a Collection of Birds from Marocco (Morocco)
Phillips, E. Lort
Studies in Bird Migration Being the Collected Papers of H. Chr. C. Mortensen
Mortensen, H. Chr.C.
A Field Guide to the Nests, Eggs and Nestlings of North American Birds
Narrative of a Visit to Somaliland in 1897
On the Avifauna of the Lower Pilcomayo (Argentina)
Kerr, J. Graham
Field Notes on some of the Bush-birds of New Zealand
Robert Ridgway with a Bibliography of His Published Writings and Fifty Illustrations
The Birds of Colorado- Bulletins 37, 44, and 56 [1897-1900]
Carel ten Cate and Susan D. Healy, editors
The Sensory Ecology of Birds
Martin, Graham R.
More Tales of a Low-Rent Birder
Endemic Bird Areas of the World: Priorities for Biodiversity Conservation
Stattersfield, Alison; Crosby, Michael J.; Long, Adrian J.; Wege, David C.