Items

• [D9717AAE], Letter from Yale University, William Gilbert Anderson to Thomas Alva Edison, Jr., April 20th, 1897
  1897-04-20
• [D9717AAF], Letter from William Gilbert Anderson, Yale University to Thomas Alva Edison, Jr., April 23rd, 1897
  1897-04-23
• [D9717AAG], Letter from Yale University, William Gilbert Anderson to Thomas Alva Edison, Jr., May 3rd, 1897
  1897-05-03
• [E1907AD], Letter from Yale University, Irving Fisher to Thomas Alva Edison, June 4th, 1919
  1919-06-04