http://book.klll.cc/ebooks/subject/21517.opds?sort_order=release_date 2025-08-07T00:59:21Z Books about Plurality of worlds (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 2025-08-07T00:59:21Z https://book.klll.cc/ebooks/subject/21517.opds?sort_order=title Sort Alphabetically by Title 2025-08-07T00:59:21Z https://book.klll.cc/ebooks/subject/21517.opds?sort_order=downloads Sort by Popularity 2025-08-07T00:59:21Z https://book.klll.cc/ebooks/66559.opds Conversations on the Plurality of Worlds M. de Fontenelle 2025-08-07T00:59:21Z https://book.klll.cc/ebooks/39928.opds Man's Place in the Universe Alfred Russel Wallace 2025-08-07T00:59:21Z https://book.klll.cc/ebooks/36288.opds The Plurality of Worlds William Whewell