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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Henry, Augustine,
    Publication info: London, Constable, 1919
    Holding Institution: University of Toronto - Robarts Library
    Subjects: Forests and forestry  Hygiene, Public  Water-supply  
  2. By: McKail, David.
    Publication info: Bristol, J. Wright, 1912
    Holding Institution: University of Toronto - Gerstein Science Information Centre
    Subjects: Analysis  Bacteriology  Chemistry  Hygiene, Public