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  1. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 87
    Date: 1967
    Page Range: 136--137
    Publication Info: London, British Ornithologists' Club, 1893-
  2. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 86
    Date: 1966
    Page Range: 144--147
    Publication Info: London, British Ornithologists' Club, 1893-
  3. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 86
    Date: 1966
    Page Range: 5--6
    Publication Info: London, British Ornithologists' Club, 1893-
  4. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 86
    Date: 1966
    Page Range: 33--35
    Publication Info: London, British Ornithologists' Club, 1893-
  5. By: Haverschmidt, F
    Type: Article
    In: The Wilson bulletin
    Volume: 65
    Issue: 4
    Date: 1953
    Page Range: 242--251
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  6. By: Haverschmidt, F
    Type: Article
    In: The Wilson bulletin
    Volume: 83
    Issue: 2
    Date: 1971
    Page Range: 124--128
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  7. By: Haverschmidt, F
    Type: Article
    In: The Wilson bulletin
    Volume: 86
    Issue: 3
    Date: 1974
    Page Range: 215--220
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  8. By: Haverschmidt, F
    Type: Article
    In: The Wilson bulletin
    Volume: 71
    Issue: 2
    Date: 1959
    Page Range: 175--177
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  9. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 86
    Date: 1966
    Page Range: 101--102
    Publication Info: London, British Ornithologists' Club, 1893-
  10. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 102
    Date: 1982
    Page Range: 75--77
    Publication Info: London, British Ornithologists' Club, 1893-
  11. By: Haverschmidt, F
    Type: Article
    In: Bulletin of the British Ornithologists' Club
    Volume: 91
    Date: 1971
    Page Range: 18--18
    Publication Info: London, British Ornithologists' Club, 1893-