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  1. Apgar's plant analysis; adapted to Gray's botanies.
    By: Apgar, E. A. - Apgar, A. C.
    Publication info: and Chicago,Ivison, Blakeman, Taylor & co.[1874]
    Contributed by: Cornell University Library
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  2. Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush,
    By: Apgar, A. C.
    Publication info: Cincinnati [etc.]American Book Co.[c1898]
    Contributed by: Cornell University Library
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  3. Birds of the United States east of the Rocky Mountains; a manual for the identification of species in hand or in the bush, by Austin C. Apgar.
    By: Apgar, A. C.
    Publication info: New York,American book company[c1898]
    Contributed by: American Museum of Natural History Library
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  4. Mollusks of the Atlantic coast of the United States : south to Cape Hatteras / by Austin C. Apgar.
    By: Apgar, A. C.
    Publication info: Trenton, N.J. :Lucas & co.,[1891]
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  5. Ornamental shrubs of the United States (hardy, cultivated)
    By: Apgar, A. C. - Draycott, Ada (Apgar)
    Publication info: Cincinnati [etc]American Book Company[c1910]
    Contributed by: Cornell University Library
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  6. Ornamental shrubs of the United States (hardy, cultivated) by Austin Craig Apgar.
    By: Apgar, A. C. - Draycott, Ada Apgar.
    Publication info: New York,American Book Company[c1910]
    Contributed by: NCSU Libraries (archive.org)
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  7. Pocket key of the birds of the northern United States, east of the Rocky Mountains /
    By: Apgar, A. C.
    Publication info: Trenton, N.J. :J.L. Murphy Pub. Co., Printers,1893.
    Contributed by: Library of Congress
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  8. Trees of the northern United States : their study, description and determination, for the use of schools and private students,
    By: Apgar, A. C.
    Publication info: Cincinnati [etc.]American book company [1892]
    Contributed by: Cornell University Library
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  9. Trees of the northern United States: their study, description and determination, for the use of schools and private students.
    By: Apgar, A. C.
    Publication info: New York, Cincinnati :American book company,[1892]
    Contributed by: University of California Libraries (archive.org)
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