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  1. By: Haverschmidt, Fr
    Type: Article
    In: The Wilson bulletin
    Volume: 60
    Issue: 4
    Date: 1948
    Page Range: 230--239
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  2. By: Haverschmidt, Fr
    Type: Article
    In: The Wilson bulletin
    Volume: 60
    Issue: 3
    Date: 1948
    Page Range: 187--187
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  3. By: Haverschmidt, Fr
    Type: Article
    In: The Wilson bulletin
    Volume: 59
    Issue: 4
    Date: 1947
    Page Range: 209--209
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  4. By: Haverschmidt, Fr
    Type: Article
    In: The Wilson bulletin
    Volume: 64
    Issue: 4
    Date: 1952
    Page Range: 234--241
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-
  5. By: Haverschmidt, Fr
    Type: Article
    In: The Wilson bulletin
    Volume: 64
    Issue: 2
    Date: 1952
    Page Range: 69--79
    Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-