Items
Items
recipient is exactly
Mason, William Horatio
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[E1162AJ], Letter from Henry B Clifford to William Horatio Mason, June 28th, 1911
1911-06-28 -
[D0735AAT], Letter from Thomas Alva Edison to William Horatio Mason, December 18th, 1907
1907-12-18 -
[CM08AJ], Letter from Thomas Alva Edison to William Horatio Mason, July 1915
1915-07-00 -
[CM08AA], Telegram from Thomas Alva Edison to William Horatio Mason, June 2nd, 1915
1915-06-02 -
[CM07AN], Letter from John Bacon, Jr. to William Horatio Mason, December 30th, 1915
1915-12-30 -
[CM07AM], Letter from John Bacon, Jr. to William Horatio Mason, December 2nd, 1915
1915-12-02 -
[CJ641AAC] Telegram, 1903-1909
1903-1909 -
[CJ640AAK], Letter from Thomas Alva Edison to Walter Seeley Mallory, William Horatio Mason, December 14th, 1903
1903-12-14 -
[CJ640AAJ], Letter from Thomas Alva Edison to Walter Seeley Mallory, William Horatio Mason, December 13th, 1903
1903-12-13 -
[CJ640AAI], Letter from Thomas Alva Edison to Walter Seeley Mallory, William Horatio Mason, December 13th, 1903
1903-12-13 -
[CJ640AAC], Letter from Thomas Alva Edison to H S Moulton, William Horatio Mason, July 16th, 1903
1903-07-16 -
[CJ620ABX], Test Report, Alfred Hallingsworth-Moses, William Horatio Mason, April 15th, 1911
1911-04-15 -
[CJ620AAH], Letter from National Limestone Co, Robert Lawrence Ahles to William Horatio Mason, January 10th, 1911
1911-01-10 -
[CJ619AIC], Letter from Walter Seeley Mallory to William Horatio Mason, December 28th, 1910
1910-12-28 -
[CJ619AHL], Letter from Walter Seeley Mallory to William Horatio Mason, December 1st, 1910
1910-12-01 -
[CJ617ACT], Letter from John McFadden to William Horatio Mason, August 16th, 1909
1909-08-16 -
[CJ616ABB], Letter from G John, Otis Elevator Co to William Horatio Mason, December 31st, 1908
1908-12-31 -
[CJ616AAW], Letter from Thomas Alva Edison to William Horatio Mason, November 14th, 1908
1908-11-14 -
[CJ616AAJ], Telephone Message from Thomas Alva Edison to William Horatio Mason, June 24th, 1908
1908-06-24 -
[CJ615AGU], Letter from Herman E Kiefer to William Horatio Mason, December 5th, 1907
1907-12-05 -
[CJ615AFZ], Letter from Edward G Savey to William Horatio Mason, October 28th, 1907
1907-10-28 -
[CJ615AFF], Letter from Thomas Alva Edison to Walter Seeley Mallory, William Horatio Mason, October 1st, 1907
1907-10-01 -
[CJ615AET], Letter from Walter Seeley Mallory to William Horatio Mason, September 13th, 1907
1907-09-13 -
[CJ615ACY], Letter from Emanuel Meyer to William Horatio Mason, Herman E Kiefer, June 11th, 1907
1907-06-11 -
[CJ615ACW], Letter from Alfred Hallingsworth-Moses to William Horatio Mason, June 4th, 1907
1907-06-04 -
[CJ615ACV], Letter from W Snyder to William Horatio Mason, June 4th, 1907
1907-06-04 -
[CJ615ACK], Letter from Walter Seeley Mallory to William Horatio Mason, May 20th, 1907
1907-05-20 -
[CJ615ABH], Letter from Walter Seeley Mallory to William Horatio Mason, April 20th, 1907
1907-04-20 -
[CJ615AAS], Letter from Edison Portland Cement Co to William Horatio Mason, February 16th, 1907
1907-02-16 -
[CJ615AAQ], Letter from J Hall, Jr. to William Horatio Mason, February 15th, 1907
1907-02-15 -
[CJ615AAA], Letter from Walter Seeley Mallory to William Horatio Mason, January 4th, 1907
1907-01-04 -
[CJ614ABG], Letter from Walter Seeley Mallory to William Horatio Mason, April 6th, 1906
1906-04-06 -
[CJ613ACR], Telegram from Thomas Alva Edison to William Horatio Mason, December 9th, 1905
1905-12-09 -
[CJ613AAX], Letter from Thomas Alva Edison to William Horatio Mason, April 1905
1905-04-00