About this recording 477–14 President Richard M. Nixon William P. Rogers White House operator Tricia Nixon Cox Ronald L. Ziegler Manolo Sanchez April 12, 1971 William P. Rogers White House Operator Tricia Nixon Cox Ronald L. Ziegler Manolo Sanchez Richard M. Nixon Secret White House Tapes | Richard M. Nixon Presidency 477–14 Backward Play Stop Forward Download audio Previous 1–66 Next 53–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 53–1 audio icon 247–1 audio icon 478–1 audio icon 478–10 audio icon 478–11 audio icon 478–12 audio icon 247–2 audio icon 478–2 audio icon 478–3 audio icon 247–3 audio icon