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  1. Snakes of the Peruvian coastal region,
    By: Schmidt, Karl Patterson, - Walker, Warren F.
    Publication info: Chicago,1943.
    Holding Institution: University Library, University of Illinois Urbana Champaign
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  2. Three new snakes from the Peruvian Andes,
    By: Schmidt, Karl Patterson, - Walker, Warren F.
    Publication info: Chicago,1943.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    View Book