Orchestration
Cecil Forsyth
Guide to the Practical Study of Harmony
Pyotr Ilyich Tchaikovsky
Principles of Orchestration
Nikolai Rimsky-Korsakov
Modulation
Max Reger
Counterpoint
Knud Jeppesen
The Masterwork in Music: Volume II, 1926
Heinrich Schenker
Choral Orchestration
Cecil Forsyth
The Rhythm Book
Peter Phillips
Structurally Sound
Eric Wen
Musical Structure and Design
Cedric T. Davie