Items

Items

• 

  [E1401D], Letter from Gundlach Advertising Co to Charles Edwin Goodwin, Phonograph Corporation of Manhattan, October 7th, 1914

  1914-10-07
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  [E1565ME], Letter from E T Gundlach, Gundlach Advertising Co to Thomas Alva Edison, September 14th, 1915

  1915-09-14
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  [E1701AF], Letter from E T Gundlach, Gundlach Advertising Co to Thomas Alva Edison, April 30th, 1917

  1917-04-30