About this recording 899–6 United States Secret Service Manolo Sanchez Stephen B. Bull UNKNOWN April 17, 1973 United States Secret Service Manolo Sanchez Stephen B. Bull Unknown Secret White House Tapes | Richard M. Nixon Presidency 899–6 Backward Play Stop Forward Download audio Previous 427–9 Next 901–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 901–1 audio icon 900–1 audio icon 900–10 audio icon 38–100 audio icon 38–101 audio icon 38–102 audio icon 38–103 audio icon 38–104 audio icon 900–11 audio icon 900–12 audio icon