http://book.klll.cc/ebooks/author/42476.opds 2025-08-23T19:01:38Z Books by Franze, Paul Christian (sorted by popularity) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-23T19:01:38Z https://book.klll.cc/ebooks/43920.opds Höherzüchtung des Menschen auf biologischer Grundlage. (German) Paul Christian Franze