National Automobile Dealers Association (originator), Blanchard, Walter E. (editor) (contributor), Anderson, Rudolph E. (editor), Green, Jay (contributor), Cassell, James H. (contributor), Childs, Leslie (contributor), Horner, Stanley H. (contributor), Lewis, H. Bertram (contributor), Marsh, Ward H. (contributor), McKean, Edgar D. (contributor), Schiott, Jack A. (contributor)
