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  1. By: Rumford, Benjamin, Graf von, - Ellis, George Edward, - American Academy of Arts and Sciences.
    Publication info: LondonMacmillan[1876]
    Holding Institution: University of Toronto - Gerstein Science Information Centre
  2. By: Ellis, George Edward, - American Academy of Arts and Sciences.
    Publication info: Philadelphia :Claxton, Remsen, and Haffelfinger,[1871]
    Holding Institution: University of Toronto - Gerstein Science Information Centre