Items

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  [E1929CF], Letter from Dr U Y Yen, China. Ministry of Education. Educational Bureau to Thomas Alva Edison, July 24th, 1919

  1919-07-24
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  [E1929FC], Letter from China. Ministry of Education. Educational Bureau, Dr U Y Yen to Thomas Alva Edison, September 30th, 1919

  1919-09-30