DescriptionBirds of North and Middle America partIII Ridgway.djvu English: The birds of North and middle America: a descriptive catalogue of the higher...
DescriptionBirds of North and Middle America partV Ridgway.djvu English: The birds of North and middle America: a descriptive catalogue of the higher...
Belding: Land birds of the Pacific district Author Lyman Belding Title Land Birds of the Pacific District Publisher California Academy of Sciences Object...
DescriptionCondor5.djvu English: Volume 5 of The Condor Date 1903 Source https://archive.org/details/condorvolume00socigoog at the Internet Archive Author...
DescriptionCondor12(2).djvu English: The Condor, volume 12, issue 2 Date 1910 Source http://elibrary.unm.edu/sora/Condor/files/issues/v012n02/index.php...
DescriptionCondor5(1).djvu English: The Condor, vol 5, iss 1 Date May 1903 Source http://elibrary.unm.edu/sora/Condor/files/issues/v005n01/index.php Author...
DescriptionCondor20(2).djvu English: The Condor, volume 20, issue 2 Date 1918 Source http://elibrary.unm.edu/sora/Condor/files/issues/v020n02/index.php...
DescriptionCondor7(2).djvu English: Volume 7, issue 2 of The Condor Date 1905 Source http://elibrary.unm.edu/sora/Condor/files/issues/v007n02/index.php...
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Bird lore ( ) Editor Creator:Frank M. Chapman Title Bird lore Volume Volume 7 Publisher National Committee of the Audubon Societies of America Printer...