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Kühnel, B. (1987): From the Earthly to the Heavenly Jerusalem. Representation of the Holy City in Christian Art of the First Millennium. Rom, Freiburg, Wien. Erscheinungsjahr/Year: 1987. Seiten/Pages: 34-38, 138-167, 174-177, 220-265, 275-279. [BibTeX] [Endnote]