[1] Appendix, [p. 43].

[2] Letter, Hermann I. A. Dorner to National Air Museum, March 3, 1962.

[3] See [p. 20 ff.]

[4] Appendix, [p. 46].

[5] Aeronautics (October 1929), vol. 5, no. 4, p. 32.

[6] The Packard Diesel Aircraft Engine—A New Chapter in Transportation Progress (Detroit: Packard Motor Car Co., 1930), p. 5.

[7] A memorial to Woolson who was killed in the crash of a Packard diesel-powered Verville “Air Sedan” on April 23, 1930.

[8] Packard Inner Circle (April 18, 1932), vol. 17, no. 6, p. 1.

[9] Aero Digest (February 1932), vol. 20, no. 2, p. 54.

[10] Letter, Richard Totten to National Air Museum, January 28, 1964.