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  1. By: Ecker, Alexander, - Gaupp, Ernst Wilhelm Theodor, - Wiedersheim, Robert,
    Edition: 2. Aufl.
    Publication info: Braunschweig, Vieweg, 1887-
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Gaupp, Ernst Wilhelm Theodor,
    Publication info: [Naumburg, G. Pätz'sche (Lippert & Co.)], 1893
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  3. By: Ecker, Alexander, - Gaupp, Ernst Wilhelm Theodor, - Wiedersheim, Robert,
    Edition: 3. Aufl.
    Publication info: Braunschweig, F. Vieweg, 1896, 1904
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  4. By: Ecker, Alexander, - Wiedersheim, Robert, - Gaupp, Ernst Wilhelm Theodor,
    Edition: 2nd ed.
    Publication info: Braunschweig, F. Vieweg, 1896-1904
    Holding Institution: MBLWHOI Library
  5. By: Gaupp, Ernst Wilhelm Theodor,
    Publication info: Jena, G. Fischer, 1917
    Holding Institution: University of Toronto - Gerstein Science Information Centre