ISBN 978-1858280592. City Guides: Innsbruck. Vienna: Freytag-Berndt. 1999. ISBN 978-3850849111. Maier, Dieter (1998). Insight Guide Austria. Singapore: APA Publications...
ISBN 9781858280592. City Guides: Innsbruck. Vienna: Freytag-Berndt. 1999. ISBN 9783850849111. Crankshaw, Edward (1970). Maria Theresa. New York: The Viking Press...