The Harry Horner papers consist of correspondence, notebooks, sketchbooks, programs, clippings, scripts, and scrapbooks, 1924-2000, created and collected by Harry Horner. The bulk of the collection consists of correspondence, related to both Horner's work as a production designer and director for Broadway, Hollywood, and operas, and personal correspondence. Also included are two of Horner's personal sketchbooks, depicting nudes and some studies for set designs; clippings and related ephemera pertaining to Max Reinhardt; a number of film scripts, some of which include notes and letters by and from Horner regarding work on those scripts; and biographical statements written by Horner.