Andoza:The Byzantine Revival, 780–842
Treadgold, Warren. The Byzantine Revival, 780–842. Stanford, California: Stanford University Press, 1988. ISBN 978-0-8047-1462-4.
Treadgold, Warren. The Byzantine Revival, 780–842. Stanford, California: Stanford University Press, 1988. ISBN 978-0-8047-1462-4.