Columbia subject headings:
Architecture, Byzantine.
Architecture, Medieval.
Christian art and symbolism--Medieval, 500-1500.
Sacred space--Byzantine Empire.
Sacred space--Europe.
Harvard subject headings:
Architecture, Byzantine.
Architecture, Medieval.
Christian art and symbolism--Medieval, 500-1500
Sacred space--Byzantine Empire.
Sacred space--Europe.
Princeton subject headings:
Architecture, Byzantine.
Architecture, Medieval.
Christian art and symbolism--Medieval, 500-1500.
Sacred space--Byzantine Empire.
Sacred space--Europe.