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  1. Experiments in propagation of freshwater mussels of the Quadrula group.
    By: Howard, A. D.
    Publication info: Washington,Govt. print. off.,1914.
    Contributed by: Library of Congress
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  2. Natural history and propagation of fresh-water mussels. By R. E. Coker, A. F. Shira, H. W. Clark, and A. D. Howard.
    By: Coker, R. E. - Clark, H. Walton - Howard, A. D. - Shira, A. F.
    Publication info: Washington,Govt. Print. Off.,1921.
    Contributed by: Library of Congress
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