About this recording 5–151 President Richard M. Nixon White House operator June 23, 1971 White House Operator Richard M. Nixon Conversation No. 5-151 Date: June 23, 1971 Time: Unknown between 3:43 pm and 3:48 pm Location: White House Telephone The President talked with the White House operator. Call to Ronald L. Ziegler Secret White House Tapes | Richard M. Nixon Presidency 5–151 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 450–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 450–1 audio icon 47–1 audio icon 450–10 audio icon 450–11 audio icon 450–12 audio icon 450–13 audio icon 450–14 audio icon 450–15 audio icon 450–16 audio icon 450–17 audio icon