http://book.klll.cc/ebooks/author/36447.opds?sort_order=title 2026-01-14T21:06:54Z Books by Nägeli, Carl Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2026-01-14T21:06:54Z http://en.wikipedia.org/wiki/Carl_N%C3%A4geli See also: en.wikipedia 2026-01-14T21:06:54Z https://book.klll.cc/ebooks/33514.opds Mechanico-Physiological Theory of Organic Evolution Carl Nägeli