The National Archives and Records Administration administers the Office
of Presidential Libraries, of which the Harry S. Truman Library in
Independence, Missouri is one of them.  You can email them:
[log in to unmask]  Or you can call them at (816) 833-1400.  Clay
Bauske is the curator.

O

Olivia S. Anastasiadis
Curator
Richard Nixon Library & Birthplace