National Automobile Dealers Association (originator), Anderson, Rudolph E. (editor), Kingsley, Richard J. (editor, contributor), Buchanan, W. Baldwin (contributor), Bury, Martin H. (contributor), Farrington, Charles J. (contributor), Haller, Fred L. (contributor), Kerr, S.L. (contributor), Kiplinger, Walter M. (contributor), Moody, Clark D. (contributor)
National Automobile Dealers Association (originator), Sullivan, Ray A. (publishing director, editor), Dimond, Robert Edward (editor), Cuddy, William (editor), Slack, Munsey (editor), Binns, John (contributor), Brenner, Ephraim (contributor), Chaffin, Dean (contributor), Downing, James C. (contributor), Fribley, Carl E. (contributor), Galles, Herb L., Jr. (contributor), Glaser, Kenneth (contributor), Gronier, John (contributor), Haas, Kenneth B. (contributor), Herzog, Paul E. (contributor), Houser, Cliff J. (contributor), Lauritzen, Paul R. (contributor), Lee, Sam J. (contributor), McKay, R.D. (editor, contributor), Moore, James C. (contributor), Mueller, Frederick H. (Frederick Henry) (1893-1976) (contributor), Mulgrew, James (contributor), Price, Will G., Jr. (contributor), Rukeyser, Merryle Stanley (contributor), Sahli, Ed A. (contributor), Weed, Jack (contributor)
National Automobile Dealers Association (originator), Hamilton, William C. (editor, contributor), Sullivan, Ray A. (editor, contributor), Kelley, Hubert W., Jr. (editor, contributor), Riveire, George M., Jr. (editor, contributor), Arthur, Guy B., Jr. (contributor), Bell, Frederick J. (Frederick Jackson) (contributor), Costley, Alton M. (contributor), Freed, Charles C. (contributor), Williams, C.P. 'Jack' (contributor)