About this recording 421–21 President Richard M. Nixon Stephen B. Bull March 28, 1973 Stephen B. Bull Richard M. Nixon Conversation No. 421-21 Date: March 28, 1973 Time: Unknown between 8:40 am and 8:45 am Location: Executive Office Building The President met with Stephen B. Bull. President's meeting with H. R. (“Bob”) Haldeman -John N. Mitchell -Length President's signature -Nominations Bull left at an unknown time before 8:45 am. Secret White House Tapes | Richard M. Nixon Presidency 421–21 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