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By: Pfeiffer, Louis (Ludwig Georg Karl),Edition:Publication info: Cassellis, sumptibus Theodori Fischer; [etc., etc.], 1852Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: PneumonochlamydaBHL Collections:
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By: Pfeiffer, Louis (Ludwig Georg Karl),Edition:Publication info: Cassellis, T. Fischer, 1858Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: PneumonochlamydaBHL Collections:
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By: Pfeiffer, Louis (Ludwig Georg Karl),Edition:Publication info: Cassellis, sumptibus T. Fischer, 1865Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: PneumonochlamydaBHL Collections:
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By: Pfeiffer, Louis (Ludwig Georg Karl),Edition:Publication info: Cassellis, sumptibus T. Fischer, 1876Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Gastropoda PneumonochlamydaBHL Collections: