Contains childhood mementoes, schoolwork, drawings, financial records, naval discharge papers, documents pertaining to Lewis’ death including an LP recording of Lewis' memorial service with tributes by Adlai Stevenson and Marc Connolly. Also includes letters written to wife Kathryn after Lewis' death from well-known friends and colleagues including Gertrude Stein, Marshall Field, and Garson Kanin. In addition, series contains some outgoing correspondence of Kathryn's to family members, articles she wrote for the Sun-Times reporting on her trip around the world in 1955; and various other materials.