Contains incoming letters mainly to Ring Lardner and his wife, Ellis Abbott Lardner, from magazine editors, family, friends, and acquaintances, including Fanny Brice, George M. Cohan, Jim Corbett, George Creel, Theodore Dreiser, H.L. Mencken, Maxwell Perkins, Westbrook Pegler, Blanche Ring, Theodore Roosevelt, John N. Wheeler, and Bert Williams. Also included are condolence telegrams sent to Ellis Lardner upon Ring Lardner's death, as well as correspondence sent to Ring Lardner Jr. regarding Ring Lardner Sr.