Biodiversity Heritage Library · page-33073349
Birds beneficial to agriculture — Illustration, Plate VI
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BHL classifies this scanned page as Illustration. Publication: Birds beneficial to agriculture. Publication creators (not identified as the page's illustrator): Frohawk, Frederick William, 1861-1946. Contributing institutions: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library. Bibliographic metadata supplied by BHL under CC0; image rights are separate.
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1919. Birds beneficial to agriculture — Illustration, Plate VI. https://www.biodiversitylibrary.org/page/33073349
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