About this recording 23–40 President Richard M. Nixon White House operator April 19, 1972 White House Operator Richard M. Nixon Conversation No. 23-40 Date: April 19, 1972 Time: Unknown between 4:41 and 4:58 pm Location: White House Telephone The President talked with the White House operator. [See also Conversation No. 713-1D] Request for a call to Tricia Nixon Cox Secret White House Tapes | Richard M. Nixon Presidency 23–40 Backward Play Stop Forward Download audio Previous 712–9 Next 99– 1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 99– 1 audio icon 714–1 audio icon 714–10 audio icon 332–10 audio icon 714–11 audio icon 332–11 audio icon 332–12 audio icon 714–12 audio icon 714–13 audio icon 99– 13 audio icon