856 resultados para THREATENED BIRDS
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Bibliography: p. 153-176.
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Mode of access: Internet.
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Mode of access: Internet.
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Errata slip inserted in vol.2.
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Errata slip inserted.
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Earlier editions published under title: Ornithology and oölogy of New England.
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Mode of access: Internet.
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Mode of access: Internet.
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Reprinted from the transactions of the Maryland academy of sciences.
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Caption title: Ecological notes on the birds occurring within a radius of five miles of the Indiana university campus.
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Mode of access: Internet.
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"Useful books for bird students": p. [195]
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Contains index.
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"Bibliography of New Jersey Ornithology": p. 317-346.
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Bibliography: p. [45]-46.