Correspondence (1881-1926); typescript manuscripts, notebooks, photographs, sketchbooks, and printed material, including articles by and about Mayor, and newspaper clippings. Correspondence includes that of Anna Hyatt Huntington, Audella Beebe Hyatt, A. Hyatt Mayor, and Harriet Randolph Hyatt Mayor.

Papers of the American sculptor, painter, interior decorator, poet, author. Collection includes correspondence, artwork (sketches, watercolors), exhibition catalogs, photographs, writings, and memorabilia, including financial material.

Papers of the American humorist, journalist, author. Collections contains correspondence, 1892-1959; typescript mss. of articles, books, poems, speeches, and stories; notebooks; photographs; and memorabilia, including clippings, drawings, genealogical material, reviews, a scrapbook, and a subject file relating to Orville and Wilbur Wright, of whom Kelly wrote a number of articles and books. Correspondents include, among others, George Ade, Sherwood Anderson, Norman Angell, Newton D. Baker, Nicholas Biddle, Margaret Bourke-White, Bruce Catton, Winston Churchill, Irvin S. Cobb, Homer Croy, Warren G. Harding, Arthur Hosking, John T. McCutcheon, André Maurois, H.L. Mencken, William Sydney Porter (O. Henry), J. B. Priestley, Clarence Rook, Theodore Roosevelt, Vilhjalmur Stefansson, Ida Tarbell, Booth and Susanah Tarkington, Albert Payson Terhune, Harry S. Truman, Wendell Willkie, P.G. Wodehouse, Orville Wright, and Art Young.

Papers of the American educator, author, poet, composer.

Papers of the American clergyman, lawyer, Episcopal bishop, who wrote and spoke on the church and social problems, Christian and legal ethics, pastoral psychology, psychical research, and spiritualism. Collection includes correspondence (family letters, personal, and business correspondence); notebooks; professional records relating to Pike's legal career and ecclesiastical appointments as Dean of the Cathedral of St. John the Divine and Fifth Bishop of California, among others; writings (manuscript and/or typescript articles and essays, book reviews, books, interviews, sermons, and speeches); and memorabilia (awards, financial and legal records, photographs, and scrapbooks).

Correspondence, a diary, lectures, manuscript drafts of books, news releases, notebooks, notes, research material, scrapbooks, and memorabilia, including awards, clippings, and photographs. Material relating to the Korean War and the Vietnamese Conflict.

Papers of the American architect. Correspondence, articles, manuscript essays, speeches, notes and notebooks, photographs, project files, sketches, clippings, and scrapbooks.

Papers of the American journalist, editor, war correspondent. Correspondence, incoming and outgoing (1926-1963); typescript manuscripts for articles, books, interviews, press copy, radio scripts, and speeches; notebooks (1935-1950); photographs (1910-1963); scrapbooks; and printed material. Notable correspondents include James Agee, Claude Auchinleck, Hanson Baldwin, Omar Bradley, James F. Byrnes, Mark W. Clark, James Forrestal, Ford C. Frick, Martha Gellhorn, Raymond Henle, John F. Kennedy, Henry Luce, Joseph W. Martin, Mary Margaret McBride, William C. Menninger, Carl Mydans, Richard L. Neuberger, Chester W. Nimitz, Roger Pineau, Arthur W. Radford, Sam Rayburn, Haru M. Reischauer, James Roosevelt, Arthur M. Schlesinger, Eric Sevareid, David M. Shoup, Holland M. Smith, Time, Inc., Harry S. Truman, Frank W. Wead, and Walter Winchell.