...American Ornithology... 
Frank M. Chapman 「Color Key to North American Birds」
...Reporton the Ornithology of the Death Valley Expedition N...
Frank M. Chapman 「Color Key to North American Birds」
...The Ornithology of Illinois...
Frank M. Chapman 「Color Key to North American Birds」
...Report on the Ornithology of Portions of Nevada and California,pp...
Frank M. Chapman 「Color Key to North American Birds」
...Notes onthe Ornithology of the Lower Rio Grande, Texas, from Observations madeduring the Season of 1877...
Frank M. Chapman 「Color Key to North American Birds」
... On the Ornithology of Ceylon in 'Annals and Mag...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...My own experience as a dabbler in botany and ornithology hasconvinced me that the pursuit of such researches is not at all out ofthe spirit of the familiar line...
Bradford Torrey 「The Foot-path Way」
...Here are two pictures of your own redbreast, out of the two best modern works on ornithology...
John Ruskin 「Love's Meinie」
...Our venerable companion, who had the ornithology of America, if I may use the expression, at his fingers’ ends, imparted many curious details of the habits of these rare birds...
Mayne Reid 「The Hunters' Feast」
...Hudson, Argentine Ornithology, 1888, vol...
Frédéric Houssay 「The Industries of Animals」
...Tristram, “On the Ornithology of Northern Africa,” Isis, 1859-60...
Frédéric Houssay 「The Industries of Animals」
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