https://archive.org/details/belagerungvonmai17657gut
https://archive.org/details/italienischereis02404gut
https://archive.org/details/gespenstereinfam22159gut
https://archive.org/details/language12629gut
https://de.wikipedia.org/w/index.php?title=Georg-B%C3%BCchner-Preis&oldid=183782428
http://hdl.handle.net/hdl:11858/00-1734-0000-0004-96B6-2