About this recording 410–28 President Richard M. Nixon UNKNOWN March 15, 1973 Unknown Richard M. Nixon Conversation No. 410-28 Date: February 15, 1973 Time: 4:45 pm Location: Executive Office Building The President talked with an unknown person. Return telephone call Secret White House Tapes | Richard M. Nixon Presidency 410–28 Rewind 10 seconds Play/Pause Fast-forward 10 seconds 0:00 Download audio Previous 949–9 Next 47–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 47–1 audio icon 450–1 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