Merritt, A.H. : A Quickly Made and Antiseptic Temporary Filling, D. Cosmos56: 107, 1914.
5.
Manning, P.R. : A Query as to the Practical Usefulness of Gutta-Percha in Completed Work, With an Attempt to Supply a Logical Substitute Therefor (Root Filling), D. Cosmos58: 734, 1916.
6.
Barrelier, J.M. : Zinc Oxid in Dental Therapeutics, D. Cosmos44: 650, 1902.
7.
Souder, W., and Paffenbarger, G.C. : Physical Properties of Dental Materials, National Bureau of Standards, Circular C-433, U. S. Government Printing Office, Washington, D. C., 1942, p. 96.