United States Air Force flight handbook, 1957

The material grouped in this sub-series covers Salazar's time as an employee of Purdue Aeronautical Corporation and Purdue Airlines. Types of material includes a publication for the Civilian Pilot Training Program, with mention of Purdue's part in the effort; Salazar's personal notebook; training materials, including various material for DC-3, DC-6, and DC-9 airplanes, which Salazar flew while at Purdue. Additional material includes aeronautical meteorology lessons, Air Force handbooks, Civil Aeronautics Administration technical manuals and other varied reference items.