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 Backward Play Stop Forward Download audio Previous 37–99 Next 881–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 881–1 audio icon 420–1 audio icon 881–10 audio icon 420–10 audio icon 420-011a audio icon 420-011c audio icon 881–11 audio icon 420-011b audio icon 881–12 audio icon 881-012a audio icon