http://book.klll.cc/ebooks/author/51718.opds?sort_order=release_date 2025-11-17T03:17:07Z Books by Blumenbach, Johann Friedrich Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-17T03:17:07Z https://de.wikipedia.org/wiki/Johann_Friedrich_Blumenbach See also: de.wikipedia 2025-11-17T03:17:07Z https://en.wikipedia.org/wiki/Johann_Friedrich_Blumenbach See also: en.wikipedia 2025-11-17T03:17:07Z https://book.klll.cc/ebooks/61997.opds Über den Bildungstrieb (German) Johann Friedrich Blumenbach