About this recording 638-1 President Richard M. Nixon Stephen B. Bull December 15, 1971 Stephen B. Bull Richard M. Nixon Conversation No. 638-1 Date: December 15, 1971 Time: Unknown between 8:38 am and 8:45 am Location: Oval Office The President met with Stephen B. Bull. The President's schedule -Meeting with an unknown person Bull left at an unknown time before 8:45 am. Secret White House Tapes | Richard M. Nixon Presidency 638-1 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