Columbia subject headings:
Excavations (Archaeology)--Congresses.
Garden archaeology--Congresses.
Gardens--History--To 1500--Congresses.
Historic gardens--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Congresses
Excavations (Archaeology)--Rome--Congresses.
Garden archaeology--Congresses.
Gardens, Roman--History--To 1500--Congresses.
Gardens--History--To 1500--Congresses.
Historic gardens--Congresses.
Historic gardens--Rome--Congresses.
Princeton subject headings:
Excavations (Archaeology)--Congresses.
Garden archaeology--Congresses.
Gardens--History--To 1500--Congresses.
Historic gardens--Congresses.