Letter to Edward S. Campbell from William E. Boeing's office, February 19, 1929. Thanks Campbell for the "first-hand information relative to the success of your trip" and notes that Boeing will review correspondence upon his return. One typed page.
Letter and first flight air mail cover addressed to William E. Boeing from Edward S. Campbell, February 5, 1929. Discusses aviation activities occurring while he is on board the USS Saratoga, including a reference to flight activities of Boeing…