On June 7, 1971, President Richard M. Nixon, Alexander P. Butterfield, and Stephen B. Bull met in the Oval Office of the White House from 5:04 pm to 5:07 pm. The Oval Office taping system captured this recording, which is known as Conversation 513-006 of the White House Tapes. Topics include: The President met with Alexander P. Butterfield and Stephen B. Bull Photo session - Timing - Location - Library Butterfield and Bull left at 5:07 pm. Participants: Nixon, Richard M. (President); Butterfield, Alexander P.; Bull, Stephen B.
- Part of White House Tapes: Sound Recordings of Meetings and Telephone Conversations of the Nixon Administration, Oval Office Sound Recordings