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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Ruth, Warren Albert,
    Publication info: 1919
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: 1919  Analysis  Botany  Chlorophyll  Common bean  Theses  UIUC  
  2. By: Trachsel, Derek Kurt. - University of Alberta. Dept. of Plant Science.
    Publication info: [1967]
    Holding Institution: University of Alberta Library
    Subjects: Botanical chemistry  Common bean  Effect of light on  Genetic asoects  Photosynthesis