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Subject Terms

SUBJECTS
    Names:
    • Sennett, George Burritt, 1840-1900.
    • Brewster, William.
    • Chadbourne, Arthur P.
    • Chapman, Frank M. (Frank Michler), 1864-1945.
    • Grinnell, George Bird, 1849-1938.
    • Henshaw, H. W.
    • Langdon, F. W.
    • Ragsdale, G. H.
    • Ridgway, Robert.
    • Singley, J. A.
    Subjects:
    • Conservation of natural resources.
    • Ornithology.
    • Zoology--Classification.
    • Conservationists.
    • Naturalists.
    • Ornithologists.