http://book.klll.cc/ebooks/author/33242.opds 2025-11-16T12:33:37Z Books by Hoppeler, Hans Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-16T12:33:37Z https://de.wikipedia.org/wiki/Hans_Hoppeler_(Mediziner,_1879) See also: de.wikipedia 2025-11-16T12:33:37Z https://book.klll.cc/ebooks/28279.opds Woher die Kindlein kommen (German) Hans Hoppeler