Arlen, Harold, "A Builder Upper," piano 2 part [for piano and voice; printed with handwritten notations], Box: 1, Folder: A: 3. Louis and Henry Manners Katzman collection, MS 156. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/415970 Accessed April 28, 2024.