http://book.klll.cc/ebooks/author/45187.opds?sort_order=release_date 2025-11-15T04:29:11Z Books by Oken, Lorenz Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-15T04:29:11Z https://en.wikipedia.org/wiki/Lorenz_Oken See also: en.wikipedia 2025-11-15T04:29:11Z https://book.klll.cc/ebooks/49196.opds Elements of Physiophilosophy Lorenz Oken