Are You?; solo piano; music by: Jan Krupa; lyrics by: Jan Krupa; publisher: Jan-Grey Music Publication Co.; Wheeling, WV; notes: x, 1930

Are You?; solo piano; music by: Jan Krupa; lyrics by: Jan Krupa; publisher: Jan-Grey Music Publication Co.; Wheeling, WV; notes: x, 1930, Box: 1, Folder: 3. West Virginia Sheet Music, A&M 0723. West Virginia and Regional History Center. https://archives.lib.wvu.edu/repositories/2/archival_objects/142294 Accessed November 23, 2024.