About this recording 23–9 President Richard M. Nixon White House operator April 17, 1972 White House Operator Richard M. Nixon Conversation No. 23-9 Date: April 17, 1972 Time: Unknown between 4:56 and 4:59 pm Location: White House Telephone The President talked with the White House operator. [See also Conversation No. 710-2A] Request for a call to Tricia Nixon Cox Secret White House Tapes | Richard M. Nixon Presidency 23–9 Backward Play Stop Forward Download audio Previous 329–66 Next 712–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 712–1 audio icon 332–1 audio icon 711–1 audio icon 711–10 audio icon 711–11 audio icon 711–12 audio icon 711–13 audio icon 23–13 audio icon 711–14 audio icon 23–14 audio icon