http://book.klll.cc/ebooks/author/40334.opds?sort_order=release_date 2025-11-18T14:39:50Z Books by Dietzgen, Joseph Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T14:39:50Z https://en.wikipedia.org/wiki/Joseph_Dietzgen See also: en.wikipedia 2025-11-18T14:39:50Z https://book.klll.cc/ebooks/39964.opds The Positive Outcome of Philosophy Joseph Dietzgen