TY  - BOOK
AU  - Wellesz, Egon,
ED  - Louis Charles Elson memorial lecture.
TI  - The origins of Schonberg's twelve-tone system: a lecture deliver ed in the Whittall Pavilion of the Library of Congress, January 10, 195 7 
U1  - 781.22 
PY  - 1958///
CY  - Washington
PB  - U.S. Government Printing Office
KW  - Schonberg, Arnold
KW  - 1874-1951
KW  - Twelve-one system
KW  - Music
KW  - Addresses, essays, lectures
N1  - At head title: The library of Congress. The Louis Charles Elson Memo rial Fund
ER  -