Items

• [E1616BAM], Letter from Thomas Alva Edison to Pittsburgh Plate Glass Co, Halbert Kellogg Hitchcock, February 4th, 1916
  1916-02-04
• [E1910AY], Letter from William Henry Meadowcroft to Halbert Kellogg Hitchcock, Pittsburgh Plate Glass Co, May 15th, 1919
  1919-05-15
• [E1930BI], Letter from Thomas Alva Edison, William Henry Meadowcroft to Pittsburgh Plate Glass Co, Halbert Kellogg Hitchcock, November 13th, 1919
  1919-11-13
• [E1930BL], Telegram from Thomas Alva Edison to Halbert Kellogg Hitchcock, Pittsburgh Plate Glass Co, November 17th, 1919
  1919-11-17
• [MF14BI], Letter from William Henry Meadowcroft to Pittsburgh Plate Glass Co, Halbert Kellogg Hitchcock, April 16th, 1917
  1917-04-16
• [X018A10AB], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, June 10th, 1923
  1923-06-10
• [X018A10AM], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, November 22nd, 1926
  1926-11-22
• [X018A10AN], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, December 27th, 1926
  1926-12-27
• [X018A10AO], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, March 8th, 1927
  1927-03-08
• [X018A10AU], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, November 18th, 1927
  1927-11-18
• [X018A10AV], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, November 22nd, 1927
  1927-11-22
• [X018A10AW], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, December 5th, 1927
  1927-12-05
• [X018A10AY], Letter from Mina Miller (Mrs Thomas A.) Edison to Halbert Kellogg Hitchcock, March 14th, 1928
  1928-03-14
• [X018A10BA], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, December 30th, 1928
  1928-12-30
• [X018A7G], Letter from Mina Miller (Mrs Thomas A.) Edison to Halbert Kellogg Hitchcock, September 5th, 1929
  1929-09-05
• [X018C9BJ1F], Letter from Mary Emily Miller to Thomas Alva Edison, Halbert Kellogg Hitchcock, Mina Miller (Mrs Thomas A.) Edison, Grace A Miller, Theodore Miller Edison, Charles Edison, March 3rd, 1918
  1918-03-03
• [X304AAZ], Letter from William Walter Dinwiddie to Halbert Kellogg Hitchcock, October 1st, 1918
  1918-10-01
• [X304ABA], Letter from William Henry Meadowcroft to Halbert Kellogg Hitchcock, December 30th, 1918
  1918-12-30
• [X304ABB], Letter from William Henry Meadowcroft to Halbert Kellogg Hitchcock, January 28th, 1919
  1919-01-28
• [X304ABC], Letter from William Walter Dinwiddie to Halbert Kellogg Hitchcock, February 1st, 1919
  1919-02-01
• [X304ABE], Letter from William Henry Meadowcroft to Halbert Kellogg Hitchcock, May 15th, 1919
  1919-05-15
• [X304ABF], Telegram from Thomas Alva Edison to Halbert Kellogg Hitchcock, November 17th, 1919
  1919-11-17
• [X465O], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, February 16th, 1921
  1921-02-16
• [X465P], Letter from Mina Miller (Mrs Thomas A.) Edison to Grace A Miller, Halbert Kellogg Hitchcock, June 20th, 1924
  1924-06-20
• [X473AH], Letter from Mary Emily Miller to Grace A Miller, Halbert Kellogg Hitchcock, November 25th, 1924
  1924-11-25
• [X473AK], Letter from Mary Emily Miller to Grace A Miller, Halbert Kellogg Hitchcock, October 6th, 1929
  1929-10-06