About this recording 947–20 President Richard M. Nixon Ronald L. Ziegler Thelma C. Ryan "Pat" Nixon Manolo Sanchez Stephen B. Bull William P. Rogers UNKNOWN July 10, 1973 Ronald L. Ziegler Manolo Sanchez Stephen B. Bull William P. Rogers Unknown Richard M. Nixon Thelma C. "Pat" Nixon Secret White House Tapes | Richard M. Nixon Presidency 947–20 Back 10s Play/Pause Skip 10s 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon