About this recording 520-1 President Richard M. Nixon Alexander P. Butterfield Stephen B. Bull June 15, 1971 Alexander P. Butterfield Stephen B. Bull Richard M. Nixon Conversation No. 520-1 Date: June 15, 1971 Time: 7:56 am - 7:59 am Location: Oval Office The President met with Alexander P. Butterfield President’s schedule -Forthcoming meeting with Kenneth B. Keating -Forthcoming meeting with Arthur K. Watson Butterfield left at an unknown time before 7:59 am Stephen B. Bull entered at an unknown time after 7:56 am President’s schedule Bull left at an unknown time before 7:59 am Secret White House Tapes | Richard M. Nixon Presidency 520-1 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