Columbia subject headings:
Harvard subject headings:
Cities and towns, Medieval--Germany, Southern--Congresses.
Cities and towns, Medieval--Switzerland--Congresses.
Excavations (Archaeology)--Germany, Southern--Congresses.
Excavations (Archaeology)--Switzerland--Congresses.
Germany, Southern--History--To 1500--Congresses.
Switzerland--History--1032-1499--Congresses.
Princeton subject headings:
Cities and towns, Medieval--Germany, Southern--Congresses.
Cities and towns, Medieval--Switzerland--Congresses.
Excavations (Archaeology)--Germany, Southern--Congresses.
Excavations (Archaeology)--Switzerland--Congresses.
Germany, Southern--History--To 1500--Congresses.
Switzerland--History--1032-1499--Congresses.