| 1. |  | Letter to J. S. Cullinan and members of the board of the Houston Negro Hospital from the Harris County Afro-American Medical Society | Copy of a letter to Joseph S. Cullinan and members of the board of the Houston Negro Hospital from J. G. Gathings, Ruport O. Roett, William M. Drake, J. M. Franklin, B. J. Covington, T. A. Patten, and... |