(1973). Kathedrale der Hagia Sophia in Nowgorod. 1045-52.
Tohutoru Kātū Chicago (17th ed.)Kathedrale Der Hagia Sophia in Nowgorod. 1045-52. 1973.
Tohutoro MLA (9th ed.)Kathedrale Der Hagia Sophia in Nowgorod. 1045-52. 1973.
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