About this recording 456–18 President Richard M. Nixon Alexander P. Butterfield February 23, 1971 Alexander P. Butterfield Richard M. Nixon Conversation No. 456-18 Date: February 23, 1971 Time: Unknown between 3:08 pm and 3:22 pm Location: Oval Office The President met with Alexander P. Butterfield Schedule Butterfield left at an unknown time before 3:22 pm Secret White House Tapes | Richard M. Nixon Presidency 456–18 Backward Play Stop Forward Download audio Previous 455–9 Next 457–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 457–1 audio icon 457–2 audio icon 457–3 audio icon 457–4 audio icon 457–5 audio icon 457–6 audio icon 457–7 audio icon 457–8 audio icon 457–9 audio icon 458–1 audio icon