About this recording 3–10 President Richard M. Nixon White House operator May 12, 1971 White House Operator Richard M. Nixon Conversation No. 3-10 Date: May 12, 1971 Time: Unknown between 10:35 am and 2:19 pm Location: White House Telephone The President talked with the White House operator. Call to Dr. Walter R. Tkach Secret White House Tapes | Richard M. Nixon Presidency 3–10 Backward Play Stop Forward Download audio Previous 497–9 Next 57–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 57–1 audio icon 498–10 audio icon 498–11 audio icon 498–12 audio icon 498–13 audio icon 498–14 audio icon 498–15 audio icon 498–16 audio icon 498–17 audio icon 498–18 audio icon