A dictionary of opera and song themes, including cantatas, oratorios, lieder, and art songs / compiled by Sam Morgenstern and Harold Barlow.
The book of 101 opera librettos : complete original language texts with English translations / edited by Jessica M. MacMurray ; with plot summaries by Allison Brewster Franzetti.
The Grove book of opera singers [electronic resource] / edited by Laura Macy.
The Met : one hundred years of grand opera / Martin Mayer ; picture editor, Gerald Fitzgerald.
The new Milton Cross' complete stories of the great operas. / Edited by Karl Kohrs.
