Letter from Charles O'Neill to John T. Lassiter re: December 15 Progress Reports; Medical Program for 1943, February 18, 1943
written by Charles K. O'Neill, fl. 1943, in Records of the Office of Inter-American Affairs, 1918 - 1951 (RG229). General Records of the El Oro Technical Mission, 1942 - 1944 (I-7 152), of United States. National Archives and Records Administration. Federal Records (1943), Box 1710, I ba) CIAA, General Correspondence, May 31, 1943 , 3 page(s)