Items

• [D9047AAO], Telegram from Thomas Alva Edison to Samuel J Ritchie, April 7th, 1890
  1890-04-07
• [LB028099], Letter from Thomas Alva Edison to Samuel J Ritchie, February 4th, 1889
  1889-02-04
• [LB034210], Letter from Thomas Alva Edison to Samuel J Ritchie, November 23rd, 1889
  1889-11-23
• [LB034234], Letter from Thomas Alva Edison to Samuel J Ritchie, November 26th, 1889
  1889-11-26
• [LB036048], Letter from Alfred Ord Tate to Samuel J Ritchie, January 14th, 1890
  1890-01-14
• [LB061072], Letter from Thomas Alva Edison to Samuel J Ritchie, May 28th, 1894
  1894-05-28
• [LM306051], Letter from Alfred Ord Tate, Thomas Alva Edison to Samuel J Ritchie, October 1st, 1891
  1891-10-01