Search results for: Thorn, Samuel A.

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  1. 1

    Science and conservation

    Authors: Thorn, Samuel A.
    Published: Beckley-Cardy Co., 1951
    Physical Description: 5 volumes : illustrations ; 22 cm
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  2. 2

    Science and conservation

    Authors: Thorn, Samuel A., Duncan, Carl D. (Carl Dudley), 1895-1966
    Published: Benefic Press, 1957
    Physical Description: 8 volumes : illustrations ; 22 cm
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