Abstract William E. Boeing, Sr. (1881-1956) was an aviation pioneer and founded The Boeing Company in 1916. The collection holds textual materials, such as correspondence, philately, business-related materials, clippings, and ephemera, as well as photographs and illustrations related to his personal and business life, circa 1783-2008. Major areas of interest include family photographs and extensive personal and business-related correspondence.

Abstract Minnie M. Boyd (1910-1998) was born in Four Lakes, Washington and was an avid aviator. This collection contains correspondence, organizational records, membership directories, photographs, clippings, printed materials, and ephemera related to the Ninety-Nines, Inc.,and gathered by Minnie M. Boyd during her time as a member.

Abstract Dorothy (Hester) Stenzel (1910-1991) was born in Ardenwald, Oregon and learned to fly in the late 1920s. Stenzel then gained fame for stunt flying and broke several records through the mid-1930s. The collection contains seven (7) scrapbooks and assorted textual materials and photographs that document Stenzel's career as one of the first female stunt pilots.