Columbia subject headings:
Carpathian Mountains--Antiquities.
Excavations (Archaeology)--Carpathian Mountains.
Salt industry and trade--Carpathian Mountains--History--To 1500.
Harvard subject headings:
Carpathian Mountains--Antiquities.
Excavations (Archaeology)--Carpathian Mountains.
Salt industry and trade--Carpathian Mountains--History--To 1500.
Princeton subject headings:
Antiquities, Prehistoric--Carpathian Mountains.
Antiquities, Prehistoric--Europe, Central.
Antiquities, Prehistoric--Europe, Eastern.
Antiquities, Prehistoric--Romania--Transylvania.
Europe, Central--Antiquities.
Europe, Eastern--Antiquities.
Salt mines and mining, Prehistoric--Carpathian Mountains.
Salt mines and mining, Prehistoric--Europe, Central.
Salt mines and mining, Prehistoric--Europe, Eastern.
Salt mines and mining, Prehistoric--Romania--Transylvania.
Transylvania (Romania)--Antiquities.