DescriptionPapers presented to the Worlds Congress on Ornithology.pdf English: Papers presented to the World's Congress on Ornithology. Edited by Mrs...
operator: Internet Archive Internet Archive ID: cu31924000184774 described at URL: https://archive.org/download/cu31924000184774/cu31924000184774.pdf...
Archive Internet Archive ID: paperspresentedt00worl described at URL: https://archive.org/download/paperspresentedt00worl/paperspresentedt00worl.pdf...
DescriptionPapers presented to the Worlds Congress on Ornithology.djvu English: Papers presented to the World's Congress on Ornithology. Edited by Mrs...
Internet Archive Internet Archive ID: nid344918951897coop described at URL: https://archive.org/download/nid344918951897coop/nid344918951897coop.pdf...
the International Ornithological Congress ( ) Author International Ornithological Congress Title Proceedings of the International Ornithological Congress...
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operator: Internet Archive Internet Archive ID: cu31924022564912 described at URL: https://archive.org/download/cu31924022564912/cu31924022564912.pdf...
Internet Archive ID: proceedings2919541958bris described at URL: https://archive.org/download/proceedings2919541958bris/proceedings2919541958bris.pdf...
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