Columbia subject headings:
Architecture, Medieval--Costs--Congresses.
Architecture, Roman--Costs--Congresses.
Building--Estimates--History--Congresses.
Building--Europe--History--To 1500--Congresses.
Building--Rome--History--Congresses.
Harvard subject headings:
Architecture, Medieval--Costs--Congresses.
Architecture, Roman--Costs--Congresses.
Building--Estimates--History--Congresses.
Building--Europe--To 1500--Congresses.
Building--Rome--Congresses.
Princeton subject headings:
Architecture, Medieval--Costs--Congresses.
Architecture, Roman--Costs--Congresses.
Building--Estimates--History--Congresses.
Building--Europe--History--To 1500--Congresses.
Building--Rome--History--Congresses.