Items
Relation is exactly
Pittsburgh Plate Glass Co
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[E1669AA], Letter from William Henry Meadowcroft to Proudfoot's Commerical Agency, Louis A Proudfoot, February 2nd, 1916 1916-02-02
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[E1836AV], Letter from Warren R Gildard to Thomas Alva Edison, July 15th, 1918 1918-07-15
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[E1912AB1], Letter from W L Wootton to Thomas Alva Edison, July 8th, 1919 1919-07-08
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[MF14AU], Letter from William Henry Meadowcroft to William Lawrence Saunders, April 11th, 1917 1917-04-11
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[MF50AT], List, Thomas Alva Edison, 1919 1919-00-00
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[NP109049], Diary, Thomas Alva Edison, March 1917 1917-03-00
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[NP120125], Diary, Thomas Alva Edison, December 1919 1919-12-00
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[X018A7G], Letter from Mina Miller (Mrs Thomas A.) Edison to Halbert Kellogg Hitchcock, September 5th, 1929 1929-09-05
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[X018C3AN], Letter from Grace A Miller to Mina Miller (Mrs Thomas A.) Edison, October 29th, 1920 1920-10-29
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[X018C3AO], Letter from Grace A Miller to Mina Miller (Mrs Thomas A.) Edison, July 21st, 1922 1922-07-21
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[X018C3AR], Letter from Grace A Miller to Mina Miller (Mrs Thomas A.) Edison, July 1st, 1924 1924-07-01
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[X018C3AV4], Letter from Halbert Kellogg Hitchcock to Mina Miller (Mrs Thomas A.) Edison, September 3rd, 1929 1929-09-03
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[X018C3AZ4], Obituary, Halbert Kellogg Hitchcock, November 24th, 1930 1930-11-24
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[X465T], Obituary, Halbert Kellogg Hitchcock, November 1930 1930-11-00