Dr. Karl Nickel Horten Interviews
This collection consists of an five days of interview by Russell Lee with Dr. Karl Nickel, and his wife, Guinilde, who was the sister of Reimar and Walter Horten.
Walter and Reimar Horten Interviews [Myhra]
This collection contains interviews with Reimar and Walter Horten that were recorded by David Myhra.
National Air and Space Museum Technical Reference Files: Aircraft
The Technical Reference Files comprise an artificial collection that currently contains 1,900 cubic feet of aviation and space related materials, organized in 22 subject series. File materials include photographs, press releases, clippings, correspondence, reports, and brochures, on individuals, organizations, events, and objects.