TY  - BOOK
AU  - Clough,John
TI  - Scales, intervals, keys and triads: a self-instruction program 
AV  - MT45.C647.S335 1964 
PY  - 1964///
CY  - New York
PB  - W.W. Norton
KW  - Harmony
N1  - Pages 84-159 upside down going in opposite direction from pp. 1-83; 2
ER  -