Ewen, David
The complete book of 20th century music
Prentice-Hall, 1989
 Buku Referensi
Ewen, David
The complete book of 20th century music
Prentice-Hall, 1952
 Buku Teks SO
Ewen, David
The world of twentieth-century music
Prentice Hall, 1968
 Buku Referensi
Proctor, George A.
Canadian music of the twentieth century / George Alfred Proctor
University of Toronto Press, 1980
 Buku Teks SO
Hudiningsih
The image of the American Adam in Billy Budd as compared to the image of the american adam in selected works of 19th and early 20th century literature
Program Pascasarjana Universitas Indonesia, 1988
 UI - Tesis Membership