Agricola, Johann Friedrich. Introduction to the Art of Singing. Ed. Juilianne C. Baird. New York:Cambridge, University Press, 1995. Appelman, Dudley Ralph. The Science of Vocal Pedagogy. Bloomington: Indiana University Press, 1967. Brodnitz, Friedrich. Keep You Voice Healthy. 2nd ed. Boston: Little Brown, 1988. Bunch, Meribeth. Dynamics of the Singing Voice. Wein, NY: Springer-Verlag, 1982. Celletti, Rodolfo. A History of the Bel Canto. Trans. Frederick Fuller. New York: Oxford University Press, 1991. Davidson, Archibald T. The Technique of Choral Composition. Cambridge, MA: Harvard University Press, 1961. Douglas, Stanley. The Science of the Voice. New York: carl Fischer, 1939. Giles, Peter. The History and Technique of the Counter-tenor: A Study of the Male High Voice Family. Brookfield VT: Ashgate, 1994. Kantner, Claude E., and Robert West. Phonetics. New York: Harper, 1980. Manen, Lucie. Bel Canto: The Teaching of the Classical Italian Song-Schools, Its Decline and Restoration. New York: Oxford university Press, 1987. Marshall, Madeleine. A Singer's Manual of English Diction. New York: Schirmer Books, 1946. Miller, Richard. On the Art of Singing. New York: Oxford University Press, 1995. Pierce, John W. The Art of Singing. Boston: Homeyer, 1956. Reid, Cornelius L. A Dictionary of Vocal Terminology: An Analysis. New York: Patelson, 1983. Rushmore, Robert. The Singing Voice. 2nd ed. New York: Dembner. Distrib. Norton, 1984. Sataloff, Robert Thayer. Prefessional Voice: The Science and Art of Clinical Care. New York: Raven, 1991. Sundberg, Johan. The Science of the Singing Voice. Dekalb: Northern Illinois University Press, 1987. Van Riper, Charles Gage and John V. Irwin. Voice and Articulation. Englewood Cliffs, NJ: Prentice-Hall, 1962. Vennard, William. Singing: The Mechanism and technique. Rev. ed. New York: Fishcer, 1967. Wall, Joan. International Phonetic Alphabet for Singers. Dallas: Pst...., 1994. Wilson, Harry Robert. Choral Arranging. New York: Robbins, 1949.