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  1. By: Sorenson, E S
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 20
    Issue: 1
    Date: 1920-07-01
    Page Range: 32--33
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  2. By: Sorenson, E S
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 22
    Issue: 1
    Date: 1922-07-01
    Page Range: 71--72
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  3. By: Sorenson, E S
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 20
    Issue: 2
    Date: 1920-10-01
    Page Range: 106--107
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-
  4. By: Sorenson, E S
    Type: Article
    In: The Emu : official organ of the Australasian Ornithologists' Union
    Volume: 22
    Issue: 2
    Date: 1922-10-01
    Page Range: 151--151
    Publication Info: Melbourne Royal Australasian Ornithologists Union 1901-