About this recording 1–18 President Richard M. Nixon White House operator April 7, 1971 White House Operator Richard M. Nixon Conversation No. 1-18 Date: April 7, 1971 Time: Unknown between 10:16 pm and 10:20 pm Location: White House Telephone The President talked with the White House operator. Call to H. R. (“Bob”) Haldeman Secret White House Tapes | Richard M. Nixon Presidency 1–18 Backward Play Stop Forward Download audio Previous 475–9 Next 52–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 52–1 audio icon 475–11 audio icon 475–12 audio icon 475–13 audio icon 475–14 audio icon 475–15 audio icon 475–16 audio icon 475–17 audio icon 475–18 audio icon 475–19 audio icon