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  1. By: British Ornithologists' Union - British Ornithologists' Union
    Publication info: [London], Published for the British Ornithologists' Union by Academic Press,
    Holding Institution: Multiple institutions
  2. By: British Ornithologists' Union
    Edition: 2nd and rev. ed.
    Publication info: London, British Ornithologists' Union, 1915
    Holding Institution: Cornell University Library
  3. By: British Ornithologists' Union
    Publication info: London, John Van Voorst, 1883
    Holding Institution: Cornell University Library
  4. By: British Ornithologists' Union
    Edition: 2d and rev. ed.
    Publication info: London, British ornithologists' union, 1915
    Holding Institution: University of California Libraries (archive.org)
  5. By: British Ornithologists' Union
    Publication info: London, J. van Voorst, 1883
    Holding Institution: University of California Libraries (archive.org)
  6. By: Mathews, Gregory M. (Gregory Macalister), - American Ornithologists' Union. - British Ornithologists' Union
    Publication info: London, British Ornithologists' Union, 1927
    Holding Institution: Museums Victoria
    BHL Collections: BHL Australia | Museums Victoria