http://book.klll.cc/ebooks/subject/29962.opds?sort_order=release_date 2025-09-21T17:04:37Z Books about Celsus (Platonic philosopher), active 180 (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 2025-09-21T17:04:37Z https://book.klll.cc/ebooks/subject/29962.opds?sort_order=title Sort Alphabetically by Title 2025-09-21T17:04:37Z https://book.klll.cc/ebooks/subject/29962.opds?sort_order=downloads Sort by Popularity 2025-09-21T17:04:37Z https://book.klll.cc/ebooks/70693.opds The writings of Origen, Vol. 2 (of 2) Origen 2025-09-21T17:04:37Z https://book.klll.cc/ebooks/70561.opds The writings of Origen, Vol. 1 (of 2) Origen 2025-09-21T17:04:37Z https://book.klll.cc/ebooks/52032.opds A Dissertation on the Books of Origen against Celsus Francis Cunningham