http://book.klll.cc/ebooks/subject/939.opds?sort_order=release_date2025-09-20T09:36:34ZBooks about Ballad operas -- Librettos (sorted by release date)Free eBooks since 1971.Project Gutenberghttps://book.klll.ccwebmaster@gutenberg.orghttps://book.klll.cc/gutenberg/favicon.ico2512025-09-20T09:36:34Zhttps://book.klll.cc/ebooks/subject/939.opds?sort_order=titleSort Alphabetically by Title2025-09-20T09:36:34Zhttps://book.klll.cc/ebooks/subject/939.opds?sort_order=downloadsSort by Popularity2025-09-20T09:36:34Zhttps://book.klll.cc/ebooks/25063.opdsThe Beggar's Opera; to Which is Prefixed the Musick to Each SongJohn Gay2025-09-20T09:36:34Zhttps://book.klll.cc/ebooks/2421.opdsThe Beggar's OperaJohn Gay