Columbia subject headings:
Rome (Italy)--Antiquities--Encyclopedias.
Rome (Italy)--Buildings, structures, etc.--Encyclopedias.
Harvard subject headings:
Architecture--Italy--Rome--Dictionaries.
Italy--Antiquities, Roman--Dictionaries.
Lexicography--Italy--Rome.
Rome (Italy)--Antiquities--Dictionaries.
Rome (Italy)--Buildings, structures, etc.--Dictionaries.
Princeton subject headings:
Dictionaries.
Italy--Antiquities, Roman--Dictionaries.
Rome (Italy)--Antiquities--Dictionaries.
Rome (Italy)--Buildings, structures, etc.--Dictionaries.