About this recording 3–198 President Richard M. Nixon Thelma C. Ryan "Pat" Nixon May 31, 1971 Richard M. Nixon Thelma C. "Pat" Nixon Secret White House Tapes | Richard M. Nixon Presidency 3–198 Backward Play Stop Forward Download audio Previous 507–7 Next 4–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 4–1 audio icon 256–1 audio icon 509-1 audio icon 4–10 audio icon 256–10 audio icon 256–11 audio icon 4–11 audio icon 4–12 audio icon 256–12 audio icon 4–13 audio icon