Berlin, Irving, "Lonely Heart" from "As Thousands Cheer," New York, Irving Berlin [for piano, voice, and ukulele; printed with handwritten notations], 1933, Box: 1, Folder: A: 12. Louis and Henry Manners Katzman collection, MS 156. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/415979 Accessed April 27, 2024.