About this recording 637-15 President Richard M. Nixon Alexander P. Butterfield December 10, 1971 Alexander P. Butterfield Richard M. Nixon Conversation No. 637-15 Date: December 12, 1971 Time: Unknown between 12:06 pm and 12:22 pm Location: Oval Office The President met with Alexander P. Butterfield. The President's schedule Butterfield left at an unknown time before 12:22 pm. Secret White House Tapes | Richard M. Nixon Presidency 637-15 Backward Play Stop Forward Download audio Previous 634–9 Next 16–100 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 16–100 audio icon 16–98 audio icon 16–99 audio icon 16–101 audio icon 16–102 audio icon 638–1 audio icon 638-1 audio icon 638–10 audio icon 638-10 audio icon 16–103 audio icon