Letter re FDA submission re the Severely Hearing-Impaired Program, 1992 Box 25 (MS Acc06.189) Unit ID: 406 Date: 1992
Letters between Graeme and Margaret Clark, 1954-1964 Box 31 (MS Acc06.189) Unit ID: 531-533 Date: 1954/1964
Letters from Clark to his parents, 1961-1964; 1979 Box 31 (MS Acc06.189) Unit ID: 530 Date: 1961-1964; 1979
Letters from Colin and Dorothy Clark to Margaret and Graeme Clark, 1970-1999 Box 32 (MS Acc06.189) Unit ID: 536-537 Date: 1970/1999
Letters from family to Margaret and Graeme Clark, 1963-2001 Box 32 (MS Acc06.189) Unit ID: 538 Date: 1963/2001