KlausDiggy (2015-06-01). List of all 100m highrise buildings in Germany (in de). skyscrapercity.com. Retrieved on 2015-06-03.web.archive.org
KlausDiggy (2014-06-14). Liste der 300 höchsten Hochhäuser in Deutschland (in de). skyscrapercity.com. Retrieved on 2015-07-27.web.archive.org