Letter to Alan Hawley, President of Aero Club of America, from William E. Boeing's office, December 24, 1915. Advises that Boeing and George Conrad Westervelt are out of town and will review correspondence upon return. One typed page.
Letter to Henry Woodhouse, Aero Club of America, from William E. Boeing's office, December 27, 1915. Advises that Boeing is out of town and will review correspondence upon return. One typed page.
Letter to Alan Hawley, President of Aero Club of America, from William E. Boeing's office, December 29, 1915. Advises that Boeing is out of town and will review correspondence upon return. One typed page.
Letter to Howard Huntington, Secretary of Aero Club of America, from William E. Boeing's office, January 6, 1916. Advises that Boeing is out of town and will review correspondence upon return. One typed page.
Letter to Alan Hawley, President of Aero Club of America, from William E. Boeing's office, January 11, 1916. Advises that Boeing is out of town and will review correspondence upon return. One typed page.
Letter to Aero Club of America members from William E. Boeing's office, February 9, 1916. Advises that William E. Boeing is out of town and will review correspondence upon return. One typed page.
Letter to Alan Hawley, President of Aero Club of America, from William E. Boeing's office, March 24, 1916. Advises that Boeing is out of town and will review correspondence upon return. One typed page.
Letter to Commandant, U.S. Navy Aeronautic Station (Pensacola, Florida) from William E. Boeing, April 20, 1916. Requests current address of George Conrad Westervelt. One typed page.
Letter to Chairman Howard E. Coffin from William E. Boeing's office, August 8, 1916. Advises that Boeing is out of town and will review correspondence upon his return. One typed page.
Letter to Alan Hawley, President of the Aero Club of America, from William E. Boeing's office, August 8, 1916. Advises that Boeing is out of town and will review correspondence upon his return. One typed page.