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  1. Elements of general science, by Otis William Caldwell and William Lewis Eikenberry.
    By: Caldwell, Otis W. - Eikenberry, W. L.
    Edition: Rev. ed.
    Publication info: Boston, New York :Ginn,[c1918]
    Contributed by: University of California Libraries (archive.org)
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  2. Handbook of plant morphology; being the Handbook of plant dissection by J. C. Arthur, Charles R. Barnes and John M. Coulter revised and rewritten by Otis W. Caldwell.
    By: Caldwell, Otis W. - Arthur, Joseph Charles, - Barnes, Charles Reid, - Coulter, John Merle,
    Publication info: New York :H. Holt and Company,1904.
    Contributed by: University of California Libraries (archive.org)
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  3. Introduction to botany, by Joseph Y. Bergen...and Otis W. Caldwell...
    By: Bergen, Joseph Y. - Caldwell, Otis W.
    Publication info: Boston,Ginn and company,[c1914]
    Contributed by: University of California Libraries (archive.org)
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  4. A laboratory manual for work in general science, by Otis W. Caldwell, W. L. Eikenberry, and Charles J. Pieper.
    By: Caldwell, Otis W. - Eikenberry, W. L. - Pieper, Charles J.,
    Publication info: Boston,Ginn[c1915]
    Contributed by: University of California Libraries (archive.org)
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  5. A laboratory manual of botany; outlines and directions for laboratory and field-work in botany in secondary schools,
    By: Caldwell, Otis W.
    Publication info: New York,D. Appleton and Co.,1902.
    Contributed by: Cornell University Library
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  6. Practical botany by Joseph Bergen and Otis W. Caldwell.
    By: Bergen, Joseph Y. - Caldwell, Otis W.
    Publication info: Boston :Ginn,c1911.
    Contributed by: University of California Libraries (archive.org)
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  7. Science remaking the world / [edited by] Otis W. Caldwell and Edwin E. Slosson.
    By: Caldwell, Otis W. - Slosson, Edwin Emery,
    Publication info: Garden City, N.Y. :Garden City Pub.1923, c1922.
    Contributed by: Gerstein - University of Toronto (archive.org)
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