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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Whellens, W. H.
    Publication info: London, T.F. Unwin, [1919]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  2. By: Whellens, W. H.
    Publication info: London, T. F. Unwin, ltd, [1918]
    Holding Institution: University of California Libraries