Items

Items

• 

  [D8704ABH], Letter from Agassiz Assn, Harlan Hoge Ballard to Thomas Alva Edison, July 17th, 1887

  1887-07-17
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  [D8704ABM], Letter from Harlan Hoge Ballard to Thomas Alva Edison, July 22nd, 1887

  1887-07-22
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  [D8822AAY], Letter from Harlan Hoge Ballard to Thomas Alva Edison, June 22nd, 1888

  1888-06-22
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  [D8822AAZ], Letter from Harlan Hoge Ballard to Alfred Ord Tate, July 12th, 1888

  1888-07-12