About this recording 898–23 President Richard M. Nixon H. R. Haldeman John D. Ehrlichman White House operator UNKNOWN William E. Timmons Ronald L. Ziegler April 17, 1973 H. R. Haldeman White House Operator Unknown William E. Timmons Ronald L. Ziegler Richard M. Nixon John D. Ehrlichman Secret White House Tapes | Richard M. Nixon Presidency 898–23 Backward Play Stop Forward Download audio Previous 427–9 Next 901–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 901–1 audio icon 900–1 audio icon 900–10 audio icon 38–100 audio icon 38–101 audio icon 38–102 audio icon 38–103 audio icon 38–104 audio icon 900–11 audio icon 900–12 audio icon