Here is a sampling of some letters from notable personalities found in the Hopson Owen Murfee Collection in the MMI Archives. These letters were chosen less for their content and more for their signatures (autographs) and/or letterheads. Several of the letters are revealing, however.
John J. Pershing

Douglas MacArthur

Richard E. Byrd

Paul von Hindenburg

Booker T. Washington

George Washington Carver

Albert Einstein

Eleanor Roosevelt

Grover Cleveland

William Howard Taft

Woodrow Wilson

Herbert Hoover