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1
المؤلفون: H.C. Pollock, A.C. Barclay, William H. Flint, Arthur B. Holmes, Arnott A. Moore, Martin Dewey, A.L. Frew, J. Emmett Northcutt, Lloyd S. Huhn, Rea Proctor McGee, Fred D. Schildwachter, C.W. Mills, F.C. McGaughy, F.P. Leonard, E.L. Knox, Ernest V. Madison
المصدر: The Journal of the American Dental Association (1922). 11:949-960
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2
المؤلفون: Arthur B. Holmes, W. Henry Grant, George E. Haigh, W.E. Hocking, Alexander H. Reynolds, David Manson, James E. Aiguier, E.C. Hume, Juliette A. Southard, Anna H. Sykora, George K. Patterson, Arthur R. McDowell, R.E. Denney, DeLan Kinney, William C. Fisher, L.A. Morris, R.M. Seibel, R. Hamill D. Swing, P.G. Spencer, Frank P. Duffy, O.H. Gaver, Fred D. Schildwachter, Herman G. Nailor, Ralph E. Bishop, Charles J. Shannon, Ernest V. Madison
المصدر: The Journal of the American Dental Association (1922). 13:898-908