About this recording 16–132 UNKNOWN White House operator December 21, 1971 Unknown White House Operator Secret White House Tapes | Richard M. Nixon Presidency 16–132 Backward Play Stop Forward Download audio Previous 16–127 Next 640–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 640–1 audio icon 640–10 audio icon 640–11 audio icon 640–12 audio icon 640–2 audio icon 640–3 audio icon 640–4 audio icon 640–5 audio icon 86–5 audio icon 640–6 audio icon