http://book.klll.cc/ebooks/author/55369.opds 2025-09-20T09:46:24Z Books by Wald, A. (Adolf) (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 2025-09-20T09:46:24Z https://book.klll.cc/ebooks/69673.opds Karl Heinrich (German) Wilhelm Meyer-Förster