http://book.klll.cc/ebooks/author/35957.opds?sort_order=release_date 2025-08-22T03:37:19Z Books by Labriola, Antonio (sorted by release date) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-22T03:37:19Z https://book.klll.cc/ebooks/author/35957.opds?sort_order=title Sort Alphabetically by Title 2025-08-22T03:37:19Z https://book.klll.cc/ebooks/author/35957.opds?sort_order=downloads Sort by Popularity 2025-08-22T03:37:19Z https://it.wikipedia.org/wiki/Antonio_Labriola See also: it.wikipedia 2025-08-22T03:37:19Z https://en.wikipedia.org/wiki/Antonio_Labriola See also: en.wikipedia 2025-08-22T03:37:19Z https://book.klll.cc/ebooks/59064.opds Socrate (Italian) Antonio Labriola 2025-08-22T03:37:19Z https://book.klll.cc/ebooks/32644.opds Essays on the Materialistic Conception of History Antonio Labriola