About this recording 903–11 President Richard M. Nixon Henry E. Petersen April 20, 1973 Henry E. Petersen Richard M. Nixon Conversation No. 903-11 [See Conversation No. 38-129] Secret White House Tapes | Richard M. Nixon Presidency 903–11 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 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