Identifier: generaofbirdscom03gray (find matches)
title: the genera of birds: comprising their generic characters, a notice of the habits of the genus, and an extensive list of species referred to their several genera
year: 1849 (1840s)
authors: gray, george robert, 1808-1872 mitchell, david william
subjects: birds birds
publisher: london: longman, brown, green, and longmans. Date: 1849.
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