http://book.klll.cc/ebooks/author/36262.opds?sort_order=downloads 2025-11-18T23:02:26Z Books by Schoenflies, A. (Arthur) Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-11-18T23:02:26Z https://en.wikipedia.org/wiki/Arthur_Moritz_Schoenflies See also: en.wikipedia 2025-11-18T23:02:26Z https://book.klll.cc/ebooks/33202.opds Einführung in die Hauptgesetze der Zeichnerischen Darstellungsmethoden (German) A. Schoenflies