Operas in German : a dictionary / Margaret Ross Griffel ; Adrienne Fried Block, advisory editor.

Míreanna comhchosúla

• Operas in English : a Dictionary.
  de réir: Griffel, Margaret Ross
  Foilsithe / Cruthaithe: (2012)
• The New Grove dictionary of opera
  Foilsithe / Cruthaithe: (1992)
• Encyclopedia of the opera.
  de réir: Ewen, David, 1907-1985
  Foilsithe / Cruthaithe: (1955)
• Blacks in opera : an encyclopedia of people and companies, 1873-1993
  de réir: Smith, Eric Ledell, 1949-2008
  Foilsithe / Cruthaithe: (1995)
• Annals of opera, 1597-1940
  de réir: Loewenberg, Alfred
  Foilsithe / Cruthaithe: (1978)