THE CAMBRIDGE MOZART ENCYCLOPEDIA. Edited by Cliff Eisen and Simon P. Keefe. Cambridge, England: Cambridge University Press, 2006. 662 pp. $175.00
VERDI'S AIDA: A Record of the Life of the Opera On and Off Stage. By Clyde T. McCants. Jefferson, NC: McFarland, 2005. Paperback. 200 pp. $35.00