http://book.klll.cc/ebooks/subject/27048.opds?sort_order=release_date 2025-11-18T00:10:37Z Books about German language -- Slang Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T00:10:37Z https://book.klll.cc/ebooks/50779.opds Die jenische Sprache (German) Engelbert Wittich 2025-11-18T00:10:37Z https://book.klll.cc/ebooks/46287.opds The Book of Vagabonds and Beggars, with a Vocabulary of Their Language Jul 15, 2014