About this recording 23–18 President Richard M. Nixon White House operator UNKNOWN April 18, 1972 White House Operator Unknown Richard M. Nixon Conversation No. 23-18 Date: April 18, 1972 Time: Unknown between 11:52 and 11:55 am Location: White House Telephone The President talked with the White House operator. [See also Conversation No. 711-7A] 13 NIXON PRESIDENTIAL MATERIALS STAFF Tape Subject Log (rev. 1/13) [The President conferred with an unknown person at an unknown time before the conversation began.] Request for a call to Tricia Nixon Cox Secret White House Tapes | Richard M. Nixon Presidency 23–18 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon