Addressed to Senator Joseph D Tydings, dated September 1, 1966, typed and reading "Dear Joe: It is with the deepest appreciation that I write to thank you for the time and effort you have devoted to the oral history interviews for the John F. Kennedy Library. Your contribution will -- in future years -- be of the utmost importance to those compiling a history of the President's public career, and I shall always be grateful to you for the part you have played in this project. Sincerely, Jackie," framed, sight size: 9 in. x 6 in.; Estate of US Senator Joseph Davies Tydings, Maryland.