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  1. By: Bourgeois, Léon
    Type: Article
    In: Bulletin du Muséum d'histoire naturelle
    Volume: 4
    Issue: 6
    Date: 1898
    Page Range: 297--301
    Publication Info: Paris Impr. nationale 1895-1907
  2. By: Bourgeois, Léon
    Type: Article
    In: Bulletin du Muséum d'histoire naturelle
    Volume: 4
    Issue: 2
    Date: 1898
    Page Range: 118--123
    Publication Info: Paris Impr. nationale 1895-1907
  3. By: Bourgeois, Léon
    Type: Article
    In: Bulletin du Muséum national d'histoire naturelle
    Volume: 27
    Issue: 7
    Date: 1921
    Page Range: 575--575
    Publication Info: Paris, Imprimerie nationale, 1907-1971