About this recording 893–4 President Richard M. Nixon White House operator William F. "Billy" Graham April 11, 1973 White House Operator Richard M. Nixon Reverend William F. "Billy" Graham Jr. Conversation No. 893-4 Date: April 11, 1973 Time: Unknown between 9:50 am and 10:00 am Location: Oval Office The President talked with the White House operator. [See Conversation No. 44-142] Secret White House Tapes | Richard M. Nixon Presidency 893–4 Backward Play Stop Forward Download audio Previous 892-009b Next 894–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 894–1 audio icon 428–1 audio icon 894–10 audio icon 428–10 audio icon 428–11 audio icon 894–11 audio icon 894–12 audio icon 428-012a audio icon 428-012b audio icon 428–13 audio icon