Items

• [X319AB], Letter from Frank Lewis Dyer to Earl Theisen, June 8th, 1932
  1932-06-08
• [X319AC], Letter from Thomas Armat to Earl Theisen, June 24th, 1932
  1932-06-24
• [X319AD], Letter from William Kennedy Laurie Dickson to Earl Theisen, July 4th, 1932
  1932-07-04
• [X319AE], Letter from William Kennedy Laurie Dickson to Earl Theisen, October 26th, 1932
  1932-10-26
• [X319AF], Letter from William Kennedy Laurie Dickson to Earl Theisen, January 7th, 1933
  1933-01-07
• [X319AG], Letter from William Kennedy Laurie Dickson to Earl Theisen, February 18th, 1933
  1933-02-18
• [X319AH], Letter from William Kennedy Laurie Dickson to Earl Theisen, April 6th, 1933
  1933-04-06
• [X319AI], Letter from William Kennedy Laurie Dickson to Earl Theisen, July 5th, 1933
  1933-07-05