http://book.klll.cc/ebooks/subject/411.opds?sort_order=title&start_index=26 2025-08-29T19:05:10Z Books about Operas -- Librettos (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 26 2025-08-29T19:05:10Z https://book.klll.cc/ebooks/49977.opds Tétralogie de l'Anneau du Nibelung (French) Richard Wagner 2025-08-29T19:05:10Z https://book.klll.cc/ebooks/43687.opds Theophano: Oper in drei Aufzügen (German) Otto Anthes and Paul Graener 2025-08-29T19:05:10Z https://book.klll.cc/ebooks/25336.opds Traviata: Operetta buffa em 1 acto em verso (Portuguese) Nicolau T. Leroy 2025-08-29T19:05:10Z https://book.klll.cc/ebooks/16250.opds Tristan and Isolda: Opera in Three Acts Richard Wagner 2025-08-29T19:05:10Z https://book.klll.cc/ebooks/26943.opds Vaisseau fantôme (Der Fliegende Holländer) (French) Richard Wagner 2025-08-29T19:05:10Z https://book.klll.cc/ebooks/14370.opds Zanetto; and Cavalleria Rusticana (Italian)