Columbia subject headings:
Architects--Italy--Marche--Archives.
Architecture--Italy--Marche--Archival resources.
Architecture--Italy--Marche--History--Sources--Catalogs.
Harvard subject headings:
Architects--Italy--Marche--Archives.
Architecture--Italy--Marche--Archival resources.
Architecture--Italy--Marche--History--Sources--Catalogs.
Princeton subject headings:
Architects--Italy--Marche--Archives.
Architecture--Italy--Marche--Archival resources.
Architecture--Italy--Marche--History--Sources--Catalogs.
Catalogs.