BACH AND THE PATTERNS OF INVENTION By Laurence Dreyfus. Cambridge, MA: Harvard University Press, 1996.
DIETRICH FISCHER-DIESKAU: A BIOGRAPHY By Hans A. Neunzig (Kenneth S. Wilson, translator). Portland, OR: Amadeus Press, 1998.
CONVERSATION WITH THE BLUES, Second Edition By Paul Oliver. Cambridge, UK/New York: Cambridge University Press, 1997.
MUSICHOUND BLUES: The Essential Album Guide Edited by Leland Rucker. Detroit/New York/Toronto/London: Visible Ink Books, 1998.