About this recording 903–19 President Richard M. Nixon Henry A. Kissinger John D. Ehrlichman H. R. Haldeman UNKNOWN Stephen B. Bull April 20, 1973 Henry A. Kissinger H. R. Haldeman Unknown Stephen B. Bull Richard M. Nixon John D. Ehrlichman Conversation No. 903-19 Ehrlichman and Haldeman left at 12:34 pm. Secret White House Tapes | Richard M. Nixon Presidency 903–19 Backward Play Stop Forward Download audio Previous 902-9 Next 38–132 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 38–132 audio icon 38–133 audio icon 430-1 audio icon 904–1 audio icon 430-10 audio icon 904–10 audio icon 904–11 audio icon 430-11 audio icon 430-12 audio icon 430-13 audio icon