About this recording 520-13 President Richard M. Nixon Alexander P. Butterfield June 15, 1971 Alexander P. Butterfield Richard M. Nixon Secret White House Tapes | Richard M. Nixon Presidency 520-13 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