About this recording 757–15 President Richard M. Nixon UNKNOWN July 31, 1972 Unknown Richard M. Nixon Conversation No. 757-15 Date: July 31, 1972 Time: Unknown between 9:57 pm and 10:16 pm Location: Oval Office The President met with an unknown man. The President’s schedule -Pardon for interruption The unknown man left at an unknown time before 10:16 pm. Secret White House Tapes | Richard M. Nixon Presidency 757–15 Back 10s Play/Pause Skip 10s 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