About this recording 421–15 President Richard M. Nixon White House operator March 21, 1973 White House Operator Richard M. Nixon Conversation No. 421-15 Date: March 21, 1973 Time: Unknown between 4:41 pm and 4:43 pm Location: Executive Office Building The President talked with the White House operator. [See Conversation No. 37-192] Secret White House Tapes | Richard M. Nixon Presidency 421–15 Backward Play Stop Forward Download audio Previous 422–9 Next 44–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 44–1 audio icon 887–1 audio icon 44–10 audio icon 887–10 audio icon 44–11 audio icon 887–11 audio icon 887–12 audio icon 44–12 audio icon 44–13 audio icon 887–13 audio icon