http://book.klll.cc/ebooks/author/45372.opds?sort_order=release_date 2025-11-14T08:46:05Z Books by Bierwirth, H. C. (Heinrich Conrad) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-14T08:46:05Z https://de.wikipedia.org/wiki/Heinrich_Conrad_Bierwirth See also: de.wikipedia 2025-11-14T08:46:05Z https://book.klll.cc/ebooks/49503.opds Ährenlese: A German Reader with Practical Exercises (German) Jul 21, 2015