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  1. Caroli lib. bar. de Geer ... Genera et species insectorum / e generosissimi auctoris scriptis extraxit, digessit, Latine quoad partem reddidit, et terminologiam insectorum Linneanam addidit Anders Iahan Retzius ...
    By: De Geer, Charles, - Retzius, Anders Jåhan, - Metcalf Collection (North Carolina State University).
    Publication info: Lipsiae :Apud Siegfried Lebrecht Crusium,1783.
    Contributed by: NCSU Libraries (archive.org)
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  2. Genera et species insectorum e generosissimi auctoris scriptis / De Geer.
    By: De Geer, Charles, - Retzius, Anders Jåhan,
    Publication info: Lipsiae :Apud Sigfried Lebrecht Crusium,1783.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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  3. Memoires pour servir a l'histoire des insectes / par Charles de Geer ...
    By: De Geer, Charles, - Baumann, J. M. W., - Bergquist, Karl Erik,
    Publication info: Stockholm :L.L. Grefing,1752-1778.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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