KERN, Jerome (1885-1945). Autograph letter signed ("Jerome D. Kern"), in green ink, to an unnamed recipient. N.p., 20 October 1920. 1 page, 4to, on personal stationery, creased, a few small holes at folds, a few small stains, creased at folds, a few short chips or tears to edges of folds. Kern writes a letter of reference for future employment for Jack and Jessie Jackson.