About this recording 15–56 President Richard M. Nixon White House operator Stephen B. Bull November 20, 1971 White House Operator Stephen B. Bull Richard M. Nixon Conversation No. 15-56 Date: November 20, 1971 Time: 8:37 am Location: White House Telephone The White House operator talked with the President. [See also Conversation No. 621-14A] The President conferred with Stephen B. Bull before the conversation began. [See Conversation No. 621-14] [End of conferral] Charles W. Colson -Location 37 NIXON PRESIDENTIAL MATERIALS STAFF Tape Subject Log (rev. 10/06) -Return call Secret White House Tapes | Richard M. Nixon Presidency 15–56 Backward Play Stop Forward Download audio Previous 15–54 Next 15–73 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 15–73 audio icon 15–74 audio icon 15–75 audio icon 15–76 audio icon 15–77 audio icon 15–78 audio icon 15–79 audio icon 15–80 audio icon 622–1 audio icon 622–10 audio icon