Symposium: Care of the Professional Voice (14th : 1985 : Denver Center for the Performing Arts)
New York, N.Y. (157 East 61st St., New York 10021) : Voice Foundation, [1986]
Symposium: Care of the Professional Voice (13th : 1984 : Juilliard School and Lenox Hill Hospital)
New York, N.Y. (157 East 61st St., New York 10021) : Voice Foundation, c1985.
Symposium: Care of the Professional Voice (12th : 1983 : Juilliard School)
New York, N.Y. (157 East 61st St., New York 10021) : Voice Foundation, [1984]