On April 28, 1971, President Richard M. Nixon and Stephen B. Bull met in the Oval Office of the White House at 11:59 am. The Oval Office taping system captured this recording, which is known as Conversation 491-004 of the White House Tapes. Topics include: The President met with Stephen B. Bull. President's schedule - Gerhardt Schroeder Bull left at 11:59 am. Participants: Nixon, Richard M. (President); Bull, Stephen B.
- Parte de White House Tapes: Sound Recordings of Meetings and Telephone Conversations of the Nixon Administration, Oval Office Sound Recordings