Columbia subject headings:
Archaeology--Congresses.
Finland--Antiquities--Congresses.
Russia, Northern--Antiquities--Congresses.
Harvard subject headings:
Excavations (Archaeology)--Finland--Congresses.
Excavations (Archaeology)--Soviet Union, Northwestern--Congresses.
Finland--Antiquities--Congresses.
Slavic antiquities--Congresses.
Soviet Union, Northwestern--Antiquities--Congresses.
Princeton subject headings:
Archaeology--Congresses.
Finland--Antiquities--Congresses.
Russia, Northern--Antiquities--Congresses.