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By: Perner, Jaroslav. - Barrande, Joachim,Edition:Publication info: Prague, En commission chez R. Gerhard, 1894-99Volume: 1Series:Holding Institution: Museums VictoriaSubjects: Bohemia Czechoslovakia Graptolites PaleontologyBHL Collections: BHL Australia | Museums Victoria
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By: Ruedemann, Rudolf,Edition:Publication info: Albany, New York State Education Dept, 1904-1908Volume: 1Series:Holding Institution: University of Toronto - Gerstein Science Information CentreSubjects: Graptolites New York (State) PaleontologyBHL Collections:
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By: Lenz, Alfred C.,Edition:Publication info: Toronto, Royal Ontario Museum, 1982Volume:Series:Holding Institution: University of Toronto - Royal Ontario Museum Library & ArchivesSubjects: Graptolites Northwest Territories Paleontology Silurian Yukon TerritoryBHL Collections:
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By: Urbanek, Adam. - Towe, Kenneth M - Smithsonian InstitutionEdition:Publication info: Washington, Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1974Volume: no.20=1 (1974)Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Graptolites Ordovician PaleontologyBHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection