Opera in 1990

Bringing Soprano Arias to Life by Goldovsky, Boris, Schoep, Arthur

Richard Strauss: Elektra by

Opera Plot Index by Hamilton, David, Studwell, William E.

Kurt Weill: The Threepenny Opera by

Mozart-Da Ponte Operas: The Cultural and Musical Background to Le Nozze Di Figaro, Don Giovanni, and Cosi Fan Tutte by Steptoe, Andrew

Operas in German: A Dictionary by Griffel, Margaret R.