10 Year Club Lunch, 1975 Box 80, Folder 57 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series VIII: Photographs, circa 1920s-1993, undatedSubseries VIII.1: Professional Photographs Involving Kay, 1940-1991, undated
114 Songs, 1922 Box 122, Item 17 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series XI: Annotated, Inscribed, and Signed Materials, 1894-1993Subseries XI.2: Scores, 1894-1990
12 Short Piano Pieces, 1939 Box 128, Item 13 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series XI: Annotated, Inscribed, and Signed Materials, 1894-1993Subseries XI.2: Scores, 1894-1990
12-tone matrix, 1967 Box 24, Folder 1 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series II: Music by Kay, 1939-1991Stephen Crane Set, 1967
12-tone matrix, 1967 Box 23, Folder 16 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series II: Music by Kay, 1939-1991Symphony, 1967
12-tone matrix, 1968 Box 24, Folder 12 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series II: Music by Kay, 1939-1991Scherzi Musicali, 1968
12-tone matrix, 1970 Box 25, Folder 8 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series II: Music by Kay, 1939-1991Facets, 1970-1971
12-tone matrix, 1971 Box 28, Folder 1 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series II: Music by Kay, 1939-1991Five Portraits, 1971-1972
12-tone matrix, 1973 Box 28, Folder 7 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series II: Music by Kay, 1939-1991First Nocturne, 1973
1941-1944 Box 99, Folder 18 Rare Book & Manuscript Library Ulysses Kay papers, 1894-2017, bulk 1938-1995Series VII: Season Files and Other Clippings, 1941-1998Subseries VII.1: Season Files, 1941-1989