http://book.klll.cc/ebooks/author/32752.opds 2025-09-20T12:35:59Z Books by Fischer, Ludwig (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-09-20T12:35:59Z https://book.klll.cc/ebooks/27532.opds Betrachtungen über die Grundlagen der Philosophie (German) René Descartes