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  1. By: Welander, Arthur D - Schultz, Leonhard P
    Type: Article
    In: Journal of the Washington Academy of Sciences.
    Volume: 41
    Date: 1951
    Page Range: 107--110
    Publication info: Washington [etc.,Washington Academy of Sciences]
  2. By: Schultz, Leonard P - Herald, Earl S - Lachner, Ernest A - Welander, Arthur D - Woods, Loren P
    Type: Article
    In: Bulletin - United States National Museum.
    Volume: 202
    Date: 1954
    Page Range: 1--685
    Publication info: Washington :Smithsonian Institution Press, [etc.];1877-1971.