About this recording 421–23 President Richard M. Nixon White House operator March 28, 1973 White House Operator Richard M. Nixon Conversation No. 421-23 Date: March 28, 1973 Time: 9:00 am Location: Executive Office Building The President talked with the White House operator. [See Conversation No. 44-36] Secret White House Tapes | Richard M. Nixon Presidency 421–23 Backward Play Stop Forward Download audio Previous 424–9 Next 889–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 889–1 audio icon 426–1 audio icon 426–10 audio icon 426–11 audio icon 426–12 audio icon 426–13 audio icon 424–14 audio icon 426–14 audio icon 426–15 audio icon 424–15 audio icon