About this recording 637-4 President Richard M. Nixon UNKNOWN December 10, 1971 Unknown Richard M. Nixon Conversation No. 637-4 Date: December 12, 1971 Time: 10:26 am Location: Oval Office The President talked with an unknown person. 12 NIXON PRESIDENTIAL MATERIALS STAFF Tape Subject Log (rev. 10/06) The President's location Secret White House Tapes | Richard M. Nixon Presidency 637-4 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