http://book.klll.cc/ebooks/subject/13117.opds?sort_order=title 2025-08-05T19:09:59Z Books about Philosophy of nature (sorted alphabetically) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-05T19:09:59Z https://book.klll.cc/ebooks/subject/13117.opds?sort_order=release_date Sort by Release Date 2025-08-05T19:09:59Z https://book.klll.cc/ebooks/subject/13117.opds?sort_order=downloads Sort by Popularity 2025-08-05T19:09:59Z https://book.klll.cc/ebooks/71683.opds Miscellanies : embracing Nature, addresses, and lectures Ralph Waldo Emerson 2025-08-05T19:09:59Z https://book.klll.cc/ebooks/18539.opds Nature Mysticism John Edward Mercer 2025-08-05T19:09:59Z https://book.klll.cc/ebooks/51586.opds Welt- und Lebenanschauungen; hervorgegangen aus Religion, Philosophie und Naturerkenntnis (German) Max B. Weinstein