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  1. 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
  2. By: Ecker, Alexander, - Wiedersheim, Robert,
    Publication info: Braunschweig, 1864-82
    Holding Institution: Natural History Museum Library, London
    BHL Collections: Charles Darwin's Library
  3. By: Ecker, Alexander, - Wiedersheim, Robert,
    Publication info: Braunschweig, F. Vieweg und sohn, 1864-1882
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  4. 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
  5. By: Ecker, Alexander, - Wiedersheim, Robert, - King's College London.
    Publication info: Braunschweig Druck und Verlag von Friedrich Vieweg und Sohn 1864-1882
    Holding Institution: King's College London, Foyle Special Collections Library
  6. By: Ecker, Alexander, - Wiedersheim, Robert, - Gaupp, Ernst Wilhelm Theodor,
    Edition: 2nd ed.
    Publication info: Braunschweig, F. Vieweg, 1896-1904
    Holding Institution: MBLWHOI Library
  7. By: Ecker, Alexander,
    Publication info: Leipzig, L.Voss, 1854
    Holding Institution: Smithsonian Libraries and Archives
  8. By: Ecker, Alexander, - Haslam, George.
    Publication info: Oxford, Clarendon Press, 1889
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  9. By: Ecker, Alexander,
    Publication info: Oxford, Clarendon Press, 1889
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  10. By: Ecker, Alexander,
    Publication info: Bâle, 1848
    Holding Institution: University Library, University of Illinois Urbana Champaign
  11. By: Ecker, Alexander,
    Publication info: Freiburg, 1857
    Holding Institution: Smithsonian Libraries and Archives
  12. By: Ecker, Alexander,
    Publication info: Basel [1846?]
    Holding Institution: Smithsonian Libraries and Archives