Columbia subject headings:
Christian art and symbolism--Italy--Ravenna--Medieval, 500-1500.
Liturgy and art--Italy--Ravenna.
Mosaics, Byzantine--Italy--Ravenna.
Throne of Maximian.
Harvard subject headings:
Chairs (Cathedra)--Italy--Ravenna.
Christian art and symbolism--Italy--Ravenna--Medieval, 500-1500.
Liturgy and art--Italy--Ravenna.
Mosaics, Byzantine--Italy--Ravenna.
Throne of Maximian.
Princeton subject headings:
Christian art and symbolism--Italy--Ravenna--Medieval, 500-1500.
Liturgy and art--Italy--Ravenna.
Mosaics, Byzantine--Italy--Ravenna.
Throne of Maximian.