http://book.klll.cc/ebooks/subject/939.opds?sort_order=title 2025-09-19T01:41:15Z Books about Ballad 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 1 2025-09-19T01:41:15Z https://book.klll.cc/ebooks/subject/939.opds?sort_order=release_date Sort by Release Date 2025-09-19T01:41:15Z https://book.klll.cc/ebooks/subject/939.opds?sort_order=downloads Sort by Popularity 2025-09-19T01:41:15Z https://book.klll.cc/ebooks/2421.opds Beggar's Opera John Gay 2025-09-19T01:41:15Z https://book.klll.cc/ebooks/25063.opds Beggar's Opera; to Which is Prefixed the Musick to Each Song John Gay