Columbia subject headings:
Agriculture--Europe--History--To 1500--Congresses.
Land use, Rural--Europe--History--To 1500--Congresses.
Landscapes in art--Congresses.
Landscapes--Europe--History--To 1500--Congresses.
Harvard subject headings:
Agriculture--Europe--History--To 1500--Congresses.
Land use, Rural--Europe--History--To 1500--Congresses.
Landscapes in art--Congresses.
Landscapes--Europe--History--To 1500--Congresses.
Princeton subject headings:
Agriculture--Europe--History--To 1500--Congresses.
Land use, Rural--Europe--History--To 1500--Congresses.
Landscapes in art--Congresses.
Landscapes--Europe--History--To 1500--Congresses.