Correspondence between Dr. Cone and Charles Cure, Paul Crevier, Jay Chandy, Frederick Christopher, Arthur Childed, Aagot Christie, Stanley Cobb, Erna Christensen, A.J. Cipriani, W. Gayle Crutchfield, D. Gwen Cameron, Ciba Co., Leonard Colbrook, W.D.S. Cross, Donald Coburn, Kenneth Christie, E. Arnold Carmichael, C.C. Coleman, Lawrence Cone, K.M. Clough, Henry Cooper, Walter A. Carveth Co., John D. Camp, William Clarke, Margaret Carroll, A. Chappel & Son, Carl B. Cone, John Caldwell, Bill Chase, Maude Christie, Canadian Medical Association, Harvey Cushing, H.H. Christie, A.J. Cone, Winchell Craig.