Singer, Lou, "Mr. Haydn Gets Hep" , 1944, Box: 5, Folder: 22. Sylvia Marlowe papers, scores and recordings, MP-0026-01. The New School Archives.
Singer, Lou, "Mr. Haydn Gets Hep" , 1944, Box: 5, Folder: 22. Sylvia Marlowe papers, scores and recordings, MP-0026-01. The New School Archives. https://findingaids.archives.newschool.edu/repositories/3/archival_objects/55446 Accessed June 08, 2025.