About this recording 350–46 President Richard M. Nixon H. R. Haldeman White House operator Ronald L. Ziegler Charles W. Colson July 26, 1972 H. R. Haldeman White House Operator Ronald L. Ziegler Charles W. Colson Richard M. Nixon Secret White House Tapes | Richard M. Nixon Presidency 350–46 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 47–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 47–1 audio icon 450–1 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