Letter to William E. Boeing from Henry Woodhouse, Aero Club of America, December 21, 1915. Expresses gratitude for a framed picture that Boeing sent. One typed page on National Aeroplane Fund stationery. Two typed pages.
Letter to William E. Boeing from Herbert Hoover, Jr., November 17, 1928. Sends thanks for making his recent trip to Seattle memorable, including a plant tour and social time with the Boeing family. Two handwritten pages on Stanford University…
Letter to William E. Boeing from Howard Huntington, Secretary of Aero Club of America, December 31, 1915. Notifies of election as non-resident member of Club. One typed page.
Letter to William E. Boeing from Howard Huntington, Secretary of Aero Club of America, February 3, 1916. Asks for report on Herb Munter's test flights. One typed page.
Letter to William E. Boeing from Lieutenant Commander H. C. Mustin, U.S. Navy, April 14, 1916. Advises that Westervelt's arrival date is unknown. One typed page.
Letter to William E. Boeing from Morgan Davies, July 12, 1916. Discusses expenses related to Westervelt's resignation and includes a financial breakdown and invoice. Three typed pages.
Letter to William E. Boeing from a representative of the Canadian Official Great War Exhibit, Vancouver, B.C., February 28, 1919. Offers congratulations for flight between Vancouver and Seattle, Washington. One typed page.
Letter to William E. Boeing from Robert Gale, Mayor of Vancouver, B.C., February 10, 1919. Offers congratulations for flight between Vancouver and Seattle, Washington. One typed page and envelope.
Letter to William E. Boeing from [illegible] and R.R. Fox, State Central Committee of Washington, October 24, 1917. Acknowledges receipt of donation on behalf of Second Liberty Loan. One typed page on State Central Committee of Washington stationery.
Letter to William E. Boeing from an unidentified person, June 15, 1917. Details cost and production of pontoons for Boeing Company. Two typed pages on Boeing Airplane Company stationery.