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By: Hubbert, Helen Brewster,Edition:Publication info: Baltimore, Md, 1915Volume:Series:Holding Institution: The Johns Hopkins University Sheridan LibrariesSubjects:BHL Collections:
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By: Hubbert, Helen Brewster,Edition:Publication info: New York, H. Holt & company, [etc., etc.] 1915Volume:Series:Holding Institution: University of California LibrariesSubjects:BHL Collections:
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By: Hubbert, Helen Brewster,Type: ArticleIn: The Kansas University science bulletinVolume: 1Series:Issue: 11Date: 1902-11Page Range: 281--303Publication Info: Lawrence, Kan, The University, 1902-1924Subjects: