Sigma Alpha Iota, 1959 Box 7, Folder 11 Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sigma Alpha Iota. Inter-American Music Awards, 1964 Box 7, Folder 11 Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Silver Hill Foundation, 1968 Box 7, Folder 11 Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Skelton, William, 1962 Box 7, Folder 11 Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sketches for "Duplicates" (labeled folders) Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sketches for "Duplicates" (unlabeled folders) Box 5, Folder 1-22 Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sketches for Strand Settings :"Darker" Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sketches for String Quartet (1982) Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sketches for Trio (clarinet, violin, piano) Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…
Sketch found inside score of Immobile III Box 6, Folder 10 Bookmark Collection Context Yale University -Irving S. Gilmore Music Library The Mel Powell Papers, 1942-1991…