Columbia subject headings:
Church buildings--Europe--Congresses.
Crypts--Europe--Congresses.
Tombs--Europe--Congresses.
Harvard subject headings:
Archaeology, Medieval--Congresses.
Death--Religious aspects--Christianity--Congresses.
Europe--Antiquities--Congresses.
Excavations (Archaeology)--Europe--Congresses
Funeral rites and ceremonies--Europe--History--To 1500--Congresses.
Funeral service--Catholic church--Congresses.
Tombs--Europe--History--To 1500--Congresses.
Princeton subject headings:
Church buildings--Europe--Congresses.
Crypts--Europe--Congresses.
Tombs--Europe--Congresses.