Harmony 3RD Edition
Harmony, 1962 3rd Edition, by Walter Piston. A how to book. Hardcover with 374 pages, published by W. W. Norton & Company.
Counterpoint
Guide to the Practical Study of Harmony (Dover Books on Music)
Orchestration
The Craft of Musical Composition: Theoretical Part - Book 1 (Tap/159)
Modulation (Dover Books on Music)
The Study of Counterpoint: From Johann Joseph Fux's Gradus Ad Parnassum
The Craft of Musical Composition: Book 2 (Stap/067)
Fundamentals of Musical Composition
Principles of Orchestration (Dover Books on Music)
Elementary Training for Musicians (2nd Edition)