Books about Operas -- Librettos (sorted alphabetically)
- Tétralogie de l'Anneau du Nibelung (French) Richard Wagner
- Theophano: Oper in drei Aufzügen (German) Otto Anthes and Paul Graener
- Traviata: Operetta buffa em 1 acto em verso (Portuguese) Nicolau T. Leroy
- Tristan and Isolda: Opera in Three Acts Richard Wagner
- Vaisseau fantôme (Der Fliegende Holländer) (French) Richard Wagner
- Zanetto; and Cavalleria Rusticana (Italian)