Items

• [QCA02], Letter from George Bartlett Prescott to John Marshall Thacher, U.S. Patent Office. Commissioner, June 1875
  1875-06-00
• [QCA04002], Letter from Porter Lowrey Soren and Stone to John Marshall Thacher, U.S. Patent Office. Commissioner, March 26th, 1875
  1875-03-26
• [QCA04006], Letter from George Bartlett Prescott to John Marshall Thacher, U.S. Patent Office. Commissioner, March 24th, 1876
  1876-03-24
• [QCA05010] Letter, March 26th, 1875
  1875-03-26
• [QCE03331] Letter, January 23rd, 1875
  1875-01-23