Columbia subject headings:
Excavations (Archaeology)--Russia (Federation)--Mari El.
Mari El (Russia)--Civilization.
Harvard subject headings:
Excavations (Archaeology)--Russia (Federation)--Mari El.
Mari (European people)--History.
Mari El (Russia)--Civilization.
Princeton subject headings:
Excavations (Archaeology)--Russia (Federation)--Mari El.
Mari El (Russia)--Civilization.