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  1. Clausilienstudien. Von Dr. Oskar Boettger ... Mit IV tafeln Abbildungen.
    By: Boettger, Oskar.
    Publication info: Cassel,T. Fisher,1877.
    Contributed by: Smithsonian Libraries
    Subjects: Clausiliidae  
    BHL Collections: Smithsonian Libraries
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  2. Die kritischen Gruppen der europäischen Clausilien / von Adolf Schmidt.
    By: Schmidt, Adolf Wilhelm Ferdinand,
    Publication info: Leipzig :H. Costenoble,1857-
    Contributed by: Smithsonian Libraries
    Subjects: Clausiliidae  Europe  Gastropoda  Mollusks  
    BHL Collections: Smithsonian Libraries
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  3. On the Clausiliidae of Palestine.
    By: Haas, Georg,
    Publication info: [Chicago]Chicago Natural History Museum,1951.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Clausiliidae  Mollusks  Palestine  
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  4. Synopsis molluscorum in regione palaearctica viventium ex typo Clausilia Drap.
    By: Westerlund, Carl Agardh,
    Publication info: S.-Petersburg,Imperatorskaia Akademiia nauk,1901.
    Contributed by: Smithsonian Libraries
    Subjects: Clausiliidae  
    BHL Collections: Smithsonian Libraries
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  5. System der Europäischen Clausilien und ihrer Nächsten Verwandten, von Adolf Schmidt. Mit einer Lithographirten uebersicht des Systems.
    By: Schmidt, Adolf Wilhelm Ferdinand,
    Publication info: Cassel,Theodor Fisher,1868.
    Contributed by: Smithsonian Libraries
    Subjects: Clausiliidae  Europe  Mollusks  
    BHL Collections: Smithsonian Libraries
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