Lutgen, B. Die Kunst der Kehlfertigkeit = : Studies in velocity: twenty daily exercises for high, medium and low voice / B. Lutgen - New York: G. Schirmer, c1902 - 27 p. - Schirmer's library of musical classics, v. 654-656. v. 654-656. . Subjects--Topical Terms: CANTO - ESTUDIOS Y EJERCICIOSCANTO Dewey Class. No.: 783 / L973 kun