The Lloyd E. Frisbee Aeronautical Engineering Collection documents the career of aeronautical engineer Lloyd E. Frisbee. The collection dates from 1938 to 2012 and chronicles Frisbee's career achievements as an engineer starting with the Boeing Company, followed by Northrop Corporation, and lastly his time with the Lockheed Company. The materials emphasize his work on the Lockheed L-1011 Tristar aircraft.

The Ellis Levin Boeing Papers documents Ellis Levin's 54-year career with the Boeing Company through textual documents and photographic materials dating from 1932-2021. The materials in the collection are related to Levin’s engineering career, most notably his work in the Vibration Unit and Physical Research Unit, as well as his position as the Systems Growth Manager on the X-20 Dyna-Soar Program, and then as the Systems Engineering Manager for the Lunar Orbiter Program.