About this recording 420–4 President Richard M. Nixon White House operator March 16, 1973 White House Operator Richard M. Nixon Conversation No. 420-4 Date: March 16, 1973 Time: Unknown between 1:38 pm and 2:45 pm Location: Executive Office Building The President talked with the White House operator. [See Conversation No. 37-127] Secret White House Tapes | Richard M. Nixon Presidency 420–4 Backward Play Stop Forward Download audio Previous 880–9 Next 882–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 882–1 audio icon 882–10 audio icon 882–11 audio icon 882-012b audio icon 882-012a audio icon 882–13 audio icon 37–137 audio icon 37–138 audio icon 37–139 audio icon 882–14 audio icon