http://book.klll.cc/ebooks/subject/32189.opds?sort_order=release_date 2025-08-05T23:21:52Z Books about Philosophy -- Periodicals (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 2025-08-05T23:21:52Z https://book.klll.cc/ebooks/subject/32189.opds?sort_order=title Sort Alphabetically by Title 2025-08-05T23:21:52Z https://book.klll.cc/ebooks/subject/32189.opds?sort_order=downloads Sort by Popularity 2025-08-05T23:21:52Z https://book.klll.cc/ebooks/65097.opds The Journal of Speculative Philosophy, Vol. I, Nos. 1-4, 1867 Various 2025-08-05T23:21:52Z https://book.klll.cc/ebooks/56634.opds The Monist, Vol. 1, 1890-1891 Various