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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Schultze, W
    Type: Article
    In: The Philippine journal of science
    Volume: 5
    Date: 1910
    Page Range: 161--181
    Publication Info: Manila, Bureau of Science,
  2. By: Schultze, W
    Type: Article
    In: The Philippine journal of science
    Volume: 16
    Date: 1920
    Page Range: 191--201
    Publication Info: Manila, Bureau of Science,
  3. By: Schultze, W
    Type: Article
    In: The Philippine journal of science
    Volume: 11
    Date: 1916
    Page Range: 347--350
    Publication Info: Manila, Bureau of Science,
  4. By: Schultze, W
    Type: Article
    In: The Philippine journal of science
    Volume: 3
    Date: 1908
    Page Range: 27--39
    Publication Info: Manila, Bureau of Science,
  5. By: Schultze, W
    Type: Article
    In: The Philippine journal of science
    Volume: 21
    Date: 1922
    Page Range: 569--596
    Publication Info: Manila, Bureau of Science,