Items

• [D7802ZRS], Telegram from Thomas Alva Edison to George Frederick Barker, July 8th, 1878
  1878-07-08
• [D7802ZZNG], Telegram from Thomas Alva Edison to George Frederick Barker, December 17th, 1878
  1878-12-17
• [D7819E], Telegram from Thomas Alva Edison to George Frederick Barker, September 6th, 1878
  1878-09-06
• [D7819ZDN], Telegram from Thomas Alva Edison to George Frederick Barker, December 19th, 1878
  1878-12-19
• [D7919H], Letter from Thomas Alva Edison to George Frederick Barker, January 22nd, 1879
  1879-01-22
• [D8004ZCQ], Letter from Thomas Alva Edison to George Frederick Barker, April 10th, 1880
  1880-04-10
• [D8004ZCU], Letter from James Dwight Dana to George Frederick Barker, April 16th, 1880
  1880-04-16
• [D8020ZCR], Letter from Thomas Alva Edison to George Frederick Barker, March 20th, 1880
  1880-03-20
• [D8020ZDA], Letter from Thomas Alva Edison to George Frederick Barker, Henry Draper, March 30th, 1880
  1880-03-30
• [D8316ADR], Letter from Thomas Alva Edison to George Frederick Barker, June 28th, 1883
  1883-06-28
• [D8464C], Letter from U.S. State Dept. Secretary, Frederick Theodore Frelinghuysen to Thomas Alva Edison, George Frederick Barker, March 28th, 1884
  1884-03-28
• [D8818ADA], Letter from Alfred Ord Tate to George Frederick Barker, February 7th, 1888
  1888-02-07
• [D8818ADV], Letter from Alfred Ord Tate to George Frederick Barker, February 13th, 1888
  1888-02-13
• [D9211AGD], Letter from Alfred Ord Tate to George Frederick Barker, October 22nd, 1892
  1892-10-22
• [LB008225], Letter from Thomas Alva Edison to George Frederick Barker, April 29th, 1881
  1881-04-29
• [LB008269], Letter from Thomas Alva Edison to George Frederick Barker, May 20th, 1881
  1881-05-20
• [LB008283], Letter from Samuel Insull to George Frederick Barker, May 28th, 1881
  1881-05-28
• [LB008294], Letter from Thomas Alva Edison to George Frederick Barker, June 2nd, 1881
  1881-06-02
• [LB008325], Letter from Thomas Alva Edison to George Frederick Barker, June 17th, 1881
  1881-06-17
• [LB009111], Letter from Thomas Alva Edison to George Frederick Barker, May 16th, 1881
  1881-05-16
• [LB001485], Letter from Charles Batchelor to George Frederick Barker, April 3rd, 1878
  1878-04-03
• [LB003330], Letter from Charles Batchelor to George Frederick Barker, August 5th, 1878
  1878-08-05
• [LB006587], Letter from Thomas Alva Edison to George Frederick Barker, November 23rd, 1880
  1880-11-23
• [LB007664B], Telegram from Thomas Alva Edison to George Frederick Barker, July 5th, 1882
  1882-07-05
• [LB008088], Letter from Thomas Alva Edison to George Frederick Barker, March 17th, 1881
  1881-03-17
• [LB008168], Letter from Thomas Alva Edison to George Frederick Barker, April 13th, 1881
  1881-04-13
• [LB009313], Letter from Thomas Alva Edison to George Frederick Barker, November 21st, 1881
  1881-11-21
• [LB011028A], Letter from Samuel Insull to George Frederick Barker, January 4th, 1882
  1882-01-04
• [LB012261], Letter from Thomas Alva Edison to George Frederick Barker, May 9th, 1882
  1882-05-09
• [LB014352], Letter from Samuel Insull to George Frederick Barker, October 27th, 1882
  1882-10-27
• [LB014378], Letter from Samuel Insull to George Frederick Barker, November 2nd, 1882
  1882-11-02
• [LB015135], Letter from Thomas Alva Edison to George Frederick Barker, January 10th, 1883
  1883-01-10
• [LB015283], Letter from Samuel Insull to George Frederick Barker, February 8th, 1883
  1883-02-08
• [LB016032], Letter from Thomas Alva Edison to George Frederick Barker, March 28th, 1883
  1883-03-28
• [LB016194], Letter from Thomas Alva Edison to George Frederick Barker, April 26th, 1883
  1883-04-26
• [LB016256A], Letter from Samuel Insull to George Frederick Barker, May 9th, 1883
  1883-05-09
• [LB018110], Letter from Thomas Alva Edison to George Frederick Barker, July 16th, 1884
  1884-07-16
• [LB018266], Letter from Thomas Alva Edison to U.S. Electrical Commission, George Frederick Barker, August 23rd, 1884
  1884-08-23
• [LB018423], Letter from Samuel Insull to George Frederick Barker, September 25th, 1884
  1884-09-25
• [LB019315], Letter from Thomas Alva Edison to George Frederick Barker, October 29th, 1884
  1884-10-29
• [LB027755], Letter from Thomas Alva Edison to George Frederick Barker, January 16th, 1889
  1889-01-16
• [LB027891], Letter from Thomas Alva Edison to George Frederick Barker, January 24th, 1889
  1889-01-24
• [LB028211], Letter from Thomas Alva Edison to George Frederick Barker, February 14th, 1889
  1889-02-14
• [LB035083], Letter from Thomas Alva Edison to George Frederick Barker, December 12th, 1889
  1889-12-12
• [LB035455], Letter from Thomas Alva Edison to George Frederick Barker, January 9th, 1890
  1890-01-09
• [LB049581], Letter from Thomas Alva Edison to George Frederick Barker, June 3rd, 1891
  1891-06-03
• [LB067144], Letter from Thomas Alva Edison to George Frederick Barker, November 1st, 1901
  1901-11-01
• [LM004010], Letter from John F Randolph to George Frederick Barker, June 30th, 1886
  1886-06-30
• [LM004046], Letter from Samuel Insull to George Frederick Barker, September 29th, 1886
  1886-09-29
• [LM004050], Letter from Samuel Insull to George Frederick Barker, October 2nd, 1886
  1886-10-02
• [LM004054], Letter from Samuel Insull to George Frederick Barker, October 9th, 1886
  1886-10-09
• [LM005156], Letter from Sherburne Blake Eaton to George Frederick Barker, April 15th, 1882
  1882-04-15
• [X106B], Letter from Thomas Alva Edison to George Frederick Barker, March 12th, 1878
  1878-03-12
• [X106E], Letter from Thomas Alva Edison to George Frederick Barker, January 1st, 1880
  1880-01-01
• [X107AA], Letter from Edward Hibberd Johnson to George Frederick Barker, November 5th, 1874
  1874-11-05
• [X107AB], Letter from George Miller Beard to George Frederick Barker, December 11th, 1875
  1875-12-11
• [X107AC], Letter from Arthur Mead Edwards to George Frederick Barker, December 21st, 1875
  1875-12-21
• [X107AD], Letter from Moses Gerrish Farmer to George Frederick Barker, December 21st, 1875
  1875-12-21
• [X107AE], Letter from Elisha Gray to George Frederick Barker, October 3rd, 1877
  1877-10-03
• [X107AF], Letter from Edward Hibberd Johnson to George Frederick Barker, April 4th, 1878
  1878-04-04
• [X107AG], Letter from Amos Emerson Dolbear to George Frederick Barker, April 29th, 1878
  1878-04-29
• [X107AH], Letter from Charles Francis Himes to George Frederick Barker, June 12th, 1878
  1878-06-12
• [X107AI], Letter from Charles Augustus Young to George Frederick Barker, August 23rd, 1878
  1878-08-23
• [X107AJ], Letter from Henry Morton to George Frederick Barker, October 23rd, 1878
  1878-10-23
• [X107AK], Letter from Stockton L Griffin to George Frederick Barker, November 29th, 1878
  1878-11-29
• [X163A], Letter from Thomas Alva Edison to George Frederick Barker, December 28th, 1885
  1885-12-28