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  1. By: Morlet, L.
    Publication info: [Paris, Mane et Noble, 1886]
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    Subjects: Mollusks  Tonkin  Vietnam  
  2. By: Zeiller, R. (René),
    Publication info: Paris, Impr. nationale, 1902-1903
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
    Subjects: Carboniferous  Paleobotany  Tonkin  Vietnam