Columbia subject headings:
Civilization, Modern--1950-
Civilization--History.
Millennium (Eschatology)
One thousand, A.D.
Harvard subject headings:
Civilization, Modern--1950-
Civilization--History
Civilization.
Millennium (Eschatology)
One thousand, A.D.
Princeton subject headings:
Civilization, Modern--1950-
Civilization--History.
Millennium (Eschatology)
One thousand, A.D.