Benešovská, Klára - Chotěbor, P.
The Golden Gate: The Transformation of the Cathedral Portal.
The Story of Prague Castle. Prague: Prague Castle Administration, 2003, s. 180-187. ISBN 80-86161-73-0
Grant CEP: GA AV ČR KSK9056118
http://hdl.handle.net/11104/0066373