Tolong jelaskan mengenai Jerman dari Opera Agung dalam bahasa melayu

Bartlet, M Elizabeth C: Grand opéra dalam 'New Grove Dictionary of Opera', Stanley Sadie, Macmillan Publishers Limited, London, 1992 ISBN 0-333-73432-7

Charlton, David:  The Cambridge Guide to Grand Opera ; Cambridge University Press, 2003

Crosten, William Loren: French Grand Opera: an Art and a Business; Columbia university, 1948.

Gerhard, Anselm: The Urbanization of Opera: Music Theater in Paris in the Nineteenth Century; University of Chicago Press, 1998

Huebner, Steven: French Opera at the Fin de Siécle: Wagnerism, Nationalism, and Style; Oxford University Press, 1999

Soubies, Albert: Soixante-sept Ans a L'Opéra en une Page, 1826-1893; Paris, 1893

Wolff, Stephane: L'Opéra au Palais Garnier 1875-1962