Salzman, Eric. Twentieth-century music an introduction. - Englewood Cliffs, N.J. Prentice-Hall [1967] - 196 p. music, ports. 22 cm. - Prentice-Hall history of music series . Includes bibliographies. LCCN: 66022097 //r882 Subjects--Topical Terms: Music--History and criticism.--20th century LC Class. No.: ML197 / .S17 Dewey Class. No.: 780/.9/04