Columbia subject headings:
Harvard subject headings:
Buildings, Temporary--Italy--Emilia-Romagna--Designs and plans.
Buildings, Temporary--Italy--History--20th century.
Buildings, Temporary--Italy--History--21st century.
Church architecture--Italy--History--20th century.
Church architecture--Italy--History--21st century.
Church buildings--Italy--Emilia-Romagna--Designs and plans.
Princeton subject headings:
Buildings, Temporary--Italy--Emilia-Romagna--Designs and plans.
Buildings, Temporary--Italy--History--20th century.
Buildings, Temporary--Italy--History--21st century.
Church architecture--Italy--History--20th century.
Church architecture--Italy--History--21st century.
Church buildings--Italy--Emilia-Romagna--Designs and plans.