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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Akers, Charles Edmond,
    Publication info: London, Methuen & co. ltd, [1914]
    Holding Institution: University of California Libraries
  2. By: Akers, Charles Edmond,
    Publication info: London, Methuen, 1914
    Holding Institution: University of Toronto - Gerstein Science Information Centre