http://book.klll.cc/ebooks/subject/31837.opds 2025-08-05T19:55:18Z Books about Solidarity (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 2025-08-05T19:55:18Z https://book.klll.cc/ebooks/58351.opds Solidarismus: Natürliche wirtschaftliche Erlösung des Menschen (German) Rudolf Diesel