http://book.klll.cc/ebooks/subject/10819.opds?sort_order=release_date 2025-08-08T18:12:15Z Books about Bulgaria -- Description and travel (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-08T18:12:15Z https://book.klll.cc/ebooks/subject/10819.opds?sort_order=title Sort Alphabetically by Title 2025-08-08T18:12:15Z https://book.klll.cc/ebooks/subject/10819.opds?sort_order=downloads Sort by Popularity 2025-08-08T18:12:15Z https://book.klll.cc/ebooks/71013.opds The Turk and his lost provinces : Greece, Bulgaria, Servia, Bosnia William Eleroy Curtis 2025-08-08T18:12:15Z https://book.klll.cc/ebooks/22257.opds Bulgaria Frank Fox 2025-08-08T18:12:15Z https://book.klll.cc/ebooks/14160.opds In het Balkanbergland van Bulgarije (Dutch) L. de Launay