About this recording 6–146 July 5, 1971 Richard M. Nixon White House Operator Conversation No. 6-146 Date: July 5, 1971 Time: Unknown between 7:28 pm and 7:35 pm Location: White House Telephone The President talked with the White House operator. Call to Tricia Nixon Cox Secret White House Tapes | Richard M. Nixon Presidency 6–146 Backward Play Stop Forward Download audio Previous 536–9 Next 538-1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 538-1 audio icon 538-10 audio icon 538-11 audio icon 538-12 audio icon 538-13 audio icon 538-14 audio icon 538-15 audio icon 538-17 audio icon 538-2 audio icon 64–3 audio icon