Columbia subject headings:
Bologna (Italy)--Buildings, structures, etc.
Colegio de España (Bologna, Italy)--Buildings.
Harvard subject headings:
Bologna (Italy)--Buildings, structures, etc.
Colegio de España (Bologna, Italy)--Buildings.
Universities and colleges--Italy--Bologna.
Princeton subject headings:
Bologna (Italy)--Buildings, structures, etc.
Colegio de España (Bologna, Italy)--Buildings.