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  1. Jacob Christian Schäffers, Doctors der Gottesgelehrsamkeit und Weltweisheit ... Erstere[-fernere] Versuche mit Schnecken : nebst drey ausgemahlten Kupfertafeln.
    By: Schäffer, Jacob Christian, - Fridrich, J. G., - Fridrich, J. M.,
    Publication info: Regensburg :[s.n.],1768-1769.
    Contributed by: Smithsonian Libraries
    Subjects: Early works to 1800  Helicidae  Snails  
    BHL Collections: Smithsonian Libraries
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  2. Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum / auctore Ludovico Pfeiffer.
    By: Pfeiffer, Ludovico,
    Publication info: Lipsiae [Leipzig] :Brockhaus,1848-
    Contributed by: Smithsonian Libraries
    Subjects: Classification  Gastropoda  Helicidae  
    BHL Collections: Smithsonian Libraries
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  3. Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium huius familiae generum et specierum hodie cognitarum / auctore Ludovico Pfeiffer.
    By: Pfeiffer, Louis,
    Publication info: Lipsiae [Leipzig] :Brockhaus,1848-
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Classification  Gastropoda  Helicidae  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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  4. Monographia heliceorum viventium : sistens descriptiones systematicas et criticas omnium hujus familiae generum et specierum hodie cognitarum / auctore Ludovico Pfeiffer.
    By: Pfeiffer, Louis,
    Publication info: Lipsiae [Leipzig] :F.A. Brockhaus,[1847]-1877.
    Contributed by: Harvard University, MCZ, Ernst Mayr Library
    Subjects: Classification  Gastropoda  Helicidae  
    BHL Collections: Ernst Mayr Library of the MCZ, Harvard University
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