Illustration of the southern side of the Cathedral of Cologne. Construction on the cathedral was begun…
"Dome-System of the Church of Sta. Sophia at Constantinople. The Byzantine style of this first period…
"Exterior of the Church of Sta. Sophia at Constantinople. Although the impression conveyed by this church…
"Interior of the Church of Sta. Sophia at Constantinople. Besides the Narthex, there was a second vestibule:…
"Section of the Church of Sta. Sophia at Constantinople. The Byzantine style of this first period reached…