The New Grove Dictionary of Music and Musicians . (Available to current Middlebury College ID holders only.) Stanley Sadie, ed. 2nd ed. London: Macmillan; New York: Grove's Dictionaries of Music, 2001. 29 v. Ref ML100.N48 An authoritative and comprehensive encyclopedia of music containing extensive articles on every aspect of music. Many of the articles have selective bibliographies.

Die Musik in Geschichte und Gegenwart [MGG] . Ludwig Finscher, ed. 2nd ed. Kassel ; New York : Bärenreiter ; Stuttgart : Metzler, c1994-. 20 v. Ref ML100 .M92 1994 MGG is a comprehensive encyclopedia of music in German and contains extensive scholarly articles with selective bibliographies on the whole range of musical topics. The 2nd ed. is still being issued; the 1st ed. was begun in 1949.

Dizionario enciclopedico universale della musica e dei musicisti. Alberto Basso, ed. Torino : UTET, c1983-c1988. 13 v. Ref ML100 .D63 1983 and ML105 .D65 1985 This is the leading comprehensive music encyclopedia in Italian. It is divided into two parts: a dictionary of terms and a biographical dictionary.

Dictionnaire de la musique . Marc Honegger, ed. New. ed. Paris : Bordas, 1976-1986. 4 v. Ref ML100 .D48 1986 and ML100 .S393 1976 This is the most recent French music encyclopedia. The articles are shorter than the works listed above and generally do not include bibliographic information. It is also divided into terminological and biographical sequences.