About this recording 20–10 President Richard M. Nixon White House operator January 31, 1972 White House Operator Richard M. Nixon Conversation No. 20-10 Date: January 31, 1972 Time: Unknown between 6:06 pm and 7:26 pm Location: White House Telephone The President talked with the White House operator Request for a call to H. R. (“Bob”) Haldeman Secret White House Tapes | Richard M. Nixon Presidency 20–10 Back 10s Play/Pause Skip 10s 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