About this recording 482–23 President Richard M. Nixon UNKNOWN April 19, 1971 Unknown Richard M. Nixon Conversation No. 482-23 Date: April 19, 1971 Time: 4:54 pm Location: Oval Office The President met with an unknown person. Schedule The unknown person left at 4:54 pm. Secret White House Tapes | Richard M. Nixon Presidency 482–23 Backward Play Stop Forward Download audio Previous 1–153 Next 251–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 251–1 audio icon 483–1 audio icon 55–1 audio icon 2–10 audio icon 251–10 audio icon 483–10 audio icon 483–11 audio icon 2–11 audio icon 483–12 audio icon 2–12 audio icon