Items

• [D7940ZBB], Letter from Constant Rousseau to Thomas Alva Edison, September 2nd, 1879
  1879-09-02
• [D7940ZBW], Letter from Constant Rousseau to Thomas Alva Edison, October 29th, 1879
  1879-10-29
• [D7940ZCH], Letter from Constant Rousseau to Joshua Franklin Bailey, November 5th, 1879
  1879-11-05
• [D7940ZCK], Letter from Constant Rousseau to Joshua Franklin Bailey, November 7th, 1879
  1879-11-07
• [D8048ZAI], Memorandum, Constant Rousseau, March 4th, 1880
  1880-03-04
• [D8048ZFK1], Agreement, Societe Generale des Telephones, Constant Rousseau, John Henry Harjes, August 16th, 1880
  1880-08-16
• [D8048ZHG], Letter from Constant Rousseau to Henry Harrisse, December 10th, 1880
  1880-12-10