About this recording 3–143 Alexander P. Butterfield White House operator Toni Sidley May 26, 1971 Alexander P. Butterfield White House Operator Toni Sidley Secret White House Tapes | Richard M. Nixon Presidency 3–143 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