http://book.klll.cc/ebooks/subject/19587.opds 2025-11-15T04:55:02Z Books about Marx, Karl, 1818-1883. Manifest der Kommunistischen Partei Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T04:55:02Z https://book.klll.cc/ebooks/32644.opds Essays on the Materialistic Conception of History Antonio Labriola