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  1. 40107351040
    Author(s):Arnspiger, Varney Clyde
    Title:*Measuring the effectiveness of sound pictures as teaching aids [Columbia Univ.]
    Pagination:156 p.
    Place of Publication:N.Y.
    Date of Publication:1933
    Size:8°.
    Language:English
    Type of Resource:Dissertation
    Series/Volume/Page:Series 4/Volume 1/Page 735