Business records
Correspondence
Literary correspondence 1963-1976
Production correspondence 1965-1967
Correspondence re: "The Castle" 1969
Ellis Kohs correspondence 1969-1977
General correspondence 1970-2000, undated
Notes and correspondence re: "The Strange One" 1972
Correspondence with Curt Siodmak and Rodolfo Loewenthal 1973-1974
Correspondence with Norman Gambill 1977-1982
Viennale Internationale correspondence 1993
Letter to Carl/Manuscript notes for "Brotherhood of Fear" undated
Production Design
Opera productions 1939-1963
Scripts
Programs designed by Horner 1972, 1974
Inventory list of Horner drawings and sketches
Publications
Biographical materials and resumes
Materials re: forming Canadian film studio 1965-1975
Articles on set design and filmmaking by Harry Horner 1941, undated
Newspaper clippings about Horner
Materials regarding Max Reinhardt
Personal papers
Correspondence between Harry and Joan 1967-1975
Personal correspondence 1960-1980
Diary notes 1943-1978
Notebook undated
Prayer books 1924, 1941
Ephemera 1943, 1957
Daily calendar cards 1943 March 13-August29
Family scrapbook 1953-1968
Sketchbooks undated