About this recording 422-4 President Richard M. Nixon White House operator March 20, 1973 White House Operator Richard M. Nixon Conversation No. 422-4 Date: March 20, 1973 Time: Unknown between 7:26 pm and 7:29 pm Location: Executive Office Building The President talked with the White House operator. [See Conversation No. 37-175] Secret White House Tapes | Richard M. Nixon Presidency 422-4 Backward Play Stop Forward Download audio Previous 883–6 Next 886–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 886–1 audio icon 421–1 audio icon 421–10 audio icon 886–10 audio icon 886–11 audio icon 421–11 audio icon 886–12 audio icon 421–12 audio icon 421-013a audio icon 886–13 audio icon