Credits
Opera Information
Operone.de has been the source of many of the dates and venues of first performances.This wonderful German opera dictionary is a mine of information about opera of all periods.
Sources of libretti
KaradarLibretti d'opera italiani
HAENDEL.IT
Progetto Metastasio
LiberLiber - Metastasio
Intratext - Metastasio
The Aris Christofellis Voice Page
Naxos
OperaGlass
La Fenice archives
Bob Frone
RAI 3
Stanford.edu
Opernhaus Zürich
Biblioteca Italiana
The Domenico Sarro Page
Opera Guide (Switzerland)
Barn Elms (Richard Soar)
Musikabteilung, Bayerischen Staatsbibliothek
Sources of synopses
18th-Century OperasBayerische Staatsoper
Bampton Classical Opera
Bob Frone
New York City Opera
New York Met
Alison Jones
Naxos
HAENDEL.IT
Houston Grand Opera
The Aris Christofellis Voice Page
Wikipedia
Arizona Opera
Opera Colorado
San Francisco Opera
The Mozart Project
Suite 101: Opera Composers
delTeatro Dizionario dell'opera
Le magazine de l'opéra baroque
Ensemble Serse
Sources of scores
Indiana UniversityInternational Music Score Library Project
Werner Icking Music Archive
Internationale Stiftung Mozarteum
The Mutopia Project, University of Waterloo
Musikabteilung, Bayerischen Staatsbibliothek