On October 21, 1971, President Richard M. Nixon and H. R. ("Bob") Haldeman talked on the telephone from 5:52 pm to 5:53 pm. The White House Telephone taping system captured this recording, which is known as Conversation 012-051 of the White House Tapes. Topics include: H.R. ("Bob") Haldeman talked with the President. [See Conversation No. 281-55] Supreme Court justices, date of resignation - Hugo L. Black - John M. Harlan. Participants: Nixon, Richard M. (President); Haldeman, H. R. ("Bob").
- Part of White House Tapes: Sound Recordings of Meetings and Telephone Conversations of the Nixon Administration, White House Telephone Recordings