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By: Moulton, John Coney.Edition:Publication info: Singapore, Methodist Pub. House, 1922Volume:Series:Holding Institution: National Library Board, SingaporeSubjects: Malaysia Mammals UngulataBHL Collections: BHL Singapore
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By: Roth, SantiagoEdition:Publication info: La Plata, Talleres de Publicaciones del Museo, 1903Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: South America Ungulata Ungulates, FossilBHL Collections: Publicaciones en Español
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By: Winge, H. (Herluf)Edition:Publication info: Kjøbenhavn, H. Hagerup, 1906Volume:Series:Holding Institution: Smithsonian Libraries and ArchivesSubjects: Brazil Minas Gerais Paleontology Ungulata Ungulates, FossilBHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection