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  1. By: Esch, Ernst, - Jaekel, Otto, - Oppenheim, Paul, - Solger, Friedrich, - Germany. Auswärtiges Amt. Kolonial-abteilung.
    Publication info: Stuttgart, E. Schweizerbartsche Verlagsbuchhandlung (E. Nägele), 1904
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Jaekel, Otto,
    Publication info: Berlin, J. Springer, 1894
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
    BHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection
  3. By: Jaekel, Otto,
    Publication info: Budapest, Druck der K. und K. hofbuchdruckerei V. Hornyánszky, 1907
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  4. By: Jaekel, Otto,
    Publication info: Berlin, Springer, 1899-
    Holding Institution: MBLWHOI Library
  5. By: Jaekel, Otto,
    Publication info: Berlin, Verlag Gebrüder Borntraeger, 1911
    Holding Institution: Multiple institutions
    BHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection