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  2. 2
    by Gunther, John 1901-
    Published 1939
    Book
  3. 3
    by Greenwall, Harry James 1886-
    Published 1938
    Book
  4. 4
    by Datta, Surendra Kumara
    Published 1932
    Book
  5. 5
    by Etherton, Percy Thomas 1879-
    Published 1928
    Book