Columbia subject headings:
Burial--Congresses.
Funeral rites and ceremonies, Ancient--Congresses.
Mass burials--History--Congresses.
Tombs--Congresses.
Harvard subject headings:
Burial--History--Congresses.
Excavations (Archaeology)--Congresses
Funeral rites and ceremonies--History--Congresses.
Human remains (Archaeology)--Congresses
Mass burials--History--Congresses.
Princeton subject headings:
Burial--History.--Congresses.
Funeral rites and ceremonies--History.--Congresses.
Mass burials--History.--Congresses.