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 Backward Play Stop Forward Download audio Previous 424–9 Next 889–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 889–1 audio icon 426–1 audio icon 426–10 audio icon 426–11 audio icon 426–12 audio icon 426–13 audio icon 424–14 audio icon 426–14 audio icon 426–15 audio icon 424–15 audio icon