Voxman, H. (1951). Eb or BBb Bass (Tuba): An outlined course of study designed to follow up any of the various elementary and intermediate methods. Vol.1.2 / Wm. Gower and H. Voxman. Rubank.

Voxman, Himie. Eb or BBb Bass (Tuba): An Outlined Course of Study Designed to Follow Up Any of the Various Elementary and Intermediate Methods. Vol.1.2 / Wm. Gower and H. Voxman. Miami, Fl.: Rubank, 1951.

Voxman, Himie. Eb or BBb Bass (Tuba): An Outlined Course of Study Designed to Follow Up Any of the Various Elementary and Intermediate Methods. Vol.1.2 / Wm. Gower and H. Voxman. Rubank, 1951.