Columbia subject headings:
Florence (Italy)--History--To 1421.
Florence (Italy)--Religious life and customs.
San Lorenzo (Church : Florence, Italy)
Harvard subject headings:
Church history--Middle Ages, 600-1500
Florence (Italy)--Church history.
San Lorenzo (Church : Florence, Italy)--History.
Princeton subject headings:
Florence (Italy)--History--To 1421.
Florence (Italy)--Religious life and customs.
San Lorenzo (Church : Florence, Italy)