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  1. By: Hay, William Perry
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 25
    Issue: 1292
    Date: 1902
    Page Range: 417--439
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  2. By: Hay, William Perry
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 25
    Issue: 1285
    Date: 1902
    Page Range: 223--236
    Publication Info: Washington Smithsonian Institution Press, [etc.]
  3. By: Hay, William Perry
    Type: Article
    In: Proceedings of the United States National Museum
    Volume: 26
    Issue: 1316
    Date: 1903
    Page Range: 429--435
    Publication Info: Washington Smithsonian Institution Press, [etc.]