Columbia subject headings:
Architecture--Italy--Ravenna.
Artists--Italy--Ravenna.
Expatriate artists--Italy--Ravenna.
Ravenna (Italy)--Description and travel.
Harvard subject headings:
Architecture--Italy--Ravenna.
Artists--Italy--Ravenna.
Expatriate artists--Italy--Ravenna.
Ravenna (Italy)--Description and travel.
Princeton subject headings:
Architecture--Italy Ravenna.
Artists--Italy--Ravenna.
Expatriate artists--Italy--Ravenna.
Ravenna (Italy)--Description.