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المؤلفون: W.F. Beavers, W.W. Wyman, R.H.W. Strang, F.K. Heazelton, W.T. Jacobs, J.G. Fife, Earl Andrew, J.M. Hale, W. Henry Grant, V.C. Michels, John C. Forsyth, Albert L. Midgley, Leona M. Mitchell, Christine Redefer, Helen R. Donehue, Thomas P. Hinman, Lester F. Clow, A. Wolfson, B.W. Weinberger, Norval H. McDonald, George E. Hardy, Harry E. Kelsey, Horace M. Davis, Alex. H. Paterson, Norval McDonald, W.C.T. Bauerle, Ernest V. Madison
المصدر: The Journal of the American Dental Association (1922). 13:400-408