8/internal/media/dispatcher/10103/fullThe Union Terminal Company Operating Rules booklet08/01/1947Union Terminal Company2003.023.00016404222629/internal/media/dispatcher/31250/fullImage of Dallas Police officers stopping cars on the Elm Street extension11/22/1963William Allen1989.100.0027.0007642503766/internal/media/dispatcher/50002/fullImage of Dallas Police officers stopping cars on the Elm Street extension11/22/1963William Allen1989.100.0027.0006645893764/internal/media/dispatcher/7681/fullRobert Hughes film11/22/1963Robert J. E. Hughes2002.026.00016318723202/internal/media/dispatcher/72403/fullD. V. Harkness Oral History06/29/2006D. V. Harkness2006.001.00376423126205/internal/media/dispatcher/79097/fullWFAA-TV tape: "Pres. Kennedy Master PK-3"11/22/1963WFAA-TV1998.010.00037333018466/internal/media/dispatcher/76039/full"Voices from History: Dallas Law Enforcement" Program11/20/2006Eugene Boone2006.001.00687258126242/internal/media/dispatcher/76040/fullEugene Boone and Gary Mack Gallery Talk Programs11/21/2006Eugene Boone2006.001.00697258226243