About this recording 19–150 President Richard M. Nixon White House operator January 28, 1972 White House Operator Richard M. Nixon Conversation No. 19-150 Date: January 28, 1972 Time: Unknown between 5:25 pm and 5:26 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 19–150 Backward Play Stop Forward Download audio Previous 658–9 Next 660–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 660–1 audio icon 660–10 audio icon 660–11 audio icon 660–12 audio icon 660–13 audio icon 660–14 audio icon 19–158 audio icon 19–159 audio icon 19–160 audio icon 19–161 audio icon