..."In my travels about the state, I have found that practicallyeveryone knows that the condor is protected... 
William T. Hornaday 「Our Vanishing Wild Life」
..."There is one factor that has militated against the condor more thanany other one thing; namely, the restriction in its food source...
William T. Hornaday 「Our Vanishing Wild Life」
...—From Assam to Burmah and Siam, and the adjacent islandsof Pulo Condor and Sichang...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The Condor,VIII, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Condor, V, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Condor, II, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Condor, VI, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Condor, VIII, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Condor, X, pp...
Frank M. Chapman 「Color Key to North American Birds」
...The Condor, XI, pp...
Frank M. Chapman 「Color Key to North American Birds」
...Cunning as is the Andes wolf this ‘scare’ is sufficient to keep him off, as well as his ravenous associate, the condor...
Mayne Reid 「The Hunters' Feast」
...The American Condor is the largest of thebirds of prey, and is said to partake of the ferocity of theEagle and the filthiness of the Vulture...
Various 「Natural History in Anecdote」
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