Signed autograph letters and notes from a variety of people prominent in political or literary circles. Many of them concern the publication of articles in periodicals or plans for social engagements. Correspondents include Elbert Hubbard, explorer and author George Kennan, librarian William Frederick Poole, J.W. Powell, spiritualist Walter Franklin Prince, Senator Ira Harris, John V. L. Pruyn, T.C. Platt, and many others.