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  1. Io. Christ. Polyc. Erxleben Phil. D. ... Systema regni animalis per classes, ordines, genera, species, varietates : cvm synonymia et historia animalivm : Classis I. Mammalia.
    By: Erxleben, Johann Christian Polycarp,
    Publication info: Lipsiae :Impensis Weygandianis,1777.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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