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  1. By: Pool, Raymond J. (Raymond John),
    Edition: 1st ed.
    Publication info: New York [etc.], McGraw-Hill book company, inc, 1929
    Holding Institution: University of British Columbia Library
  2. By: Pool, Raymond J. (Raymond John),
    Publication info: [Lincoln, Neb.], University of Nebraska, 1919
    Holding Institution: New York Botanical Garden, LuEsther T. Mertz Library
  1. By: Pool, Raymond J. (Raymond John),
    Type: Article
    In: American journal of botany
    Volume: 2
    Issue: 10
    Date: 1915-12
    Page Range: 505--518
    Publication Info: Lancaster, Pa, Published in cooperation with the Botanical Society of America by the Brooklyn Botanic Gardens, 1914-
  2. By: Pool, Raymond J. (Raymond John),
    Type: Article
    In: Torreya
    Volume: 20
    Issue: 3
    Date: 1920
    Page Range: 50--52
    Publication Info: Burlington, Vt, Torrey Botanical Club, 1901-1945