Additional Orchestration Resources
Samuel Adler: The Study of Orchestration

Adler, Samuel. The Study of Orchestration. 3rd ed. New York: W.W. Norton, 2002.

Hector Berlioz/Richard Strauss: Treatise on Orchestration

Berlioz, Hector, and Richard Strauss. Treatise on Instrumentation. New York: Dover, 1991.

Alfred Blatter: Instrumentation and Orchestration

Blatter, Alfred, and Alfred Blatter. Instrumentation and Orchestration. Second edition. New York ; Schirmer, 1997.

Norman Del Mar: Anatomy of the Orchestra

Del Mar, Norman. Anatomy of the Orchestra. 2nd print., with Revisions. Berkeley: University of California Press, 1983.

Cecil Forsyth: Orchestration

Forsyth, Cecil. Orchestration. 2d ed. New York: Macmillan, 1946.

Kent Kennan: The Technique of Orchestration

Kennan, Kent, and Donald Grantham. The Technique of Orchestration. Sixth edition. Upper Saddle River, N.J: Prentice Hall, 2002.

Walter Piston: Orchestration

Piston, Walter. Orchestration. [First edition]. New York: Norton, 1955.

Nicolas Rimsky-Korsakov: Principles of Orchestration

Rimsky-Korsakov, Nikolay. Nicolas Rimsky-Korsakov. Principles of Orchestration, with Musical Examples Drawn from His Own Works. Edited by Maksimilian Shteĭnberg. Translated by Edward Agate. Berlin: "Eædition russe de musique," 1922.

Various: Timbre and Orchestration Resource (TOR)

A comprehensive website containing of articles from various authors related to timbral analysis and the study of orchestration.