Columbia subject headings:
Archaeology and history--Encyclopedias.
Excavations (Archaeology)--Encyclopedias.
Historic sites--Encyclopedias.
Harvard subject headings:
Archaeology and history--Encyclopedias.
Excavations (Archaeology)--Encyclopedias.
Historic sites--Encyclopedias.
Reference works.
Princeton subject headings:
Archaeology and history--Encyclopedias.
Encyclopedias.
Excavations (Archaeology)--Encyclopedias.
Historic sites--Encyclopedias.