Columbia subject headings:
Harvard subject headings:
Books and reading--Italy--Bologna--History--To 1500.
Dante Alighieri, 1265-1321--Homes and haunts--Italy--Bologna.
Dante Alighieri, 1265-1321--Library.
Private libraries--Italy--Bologna--Catalogs.
Private libraries--Italy--Bologna--History--To 1500.
Università di Bologna
Princeton subject headings:
Books and reading--Italy--Bologna--History--To 1500.
Catalogs.
Dante Alighieri, 1265-1321--Library.
Private libraries--Italy--Bologna--Catalogs.
Private libraries--Italy--Bologna--History--To 1500.