When the Berlin crisis flared up again in 1961-62, President John F. Kennedy appointed Clay his personal representative in Berlin, granting him the rank of ambassador. Lucius D. Clay died in his home at Cape Cod, Massachusetts, in 1978, at the age of 80. Contains over twenty letters sent by Clay to Smith, mostly referring to events and people in Clay's past. Placed into twenty-one folders. More than twenty letters from Clay to notable people, including James F. Byrnes, William H. Draper, Jr., Ferdinand Eberstadt, Sam Rayburn, and Brehon Somervell.
Series consists of twenty-five folders.
Arranged alphabetically by correspondent. Outgoing correspondence from Lucius Clay , dated 1940-1971, stored in seventeen folders, and arranged chronologically. Arranged alphabetically by subject. Incoming correspondence to Lucius Clay from notable individuals, including Konrad Adenauer, Omar Bradley, James F. Byrnes, Douglas MacArthur, and Sam Rayburn. Arranged into eighteen folders alphabetically by correspondent.