Columbia subject headings:
Harvard subject headings:
Language and languages--Etymology
Language and languages--Semantics.
Political violence
Terror (The English word)
Terror in literature
Terror--History.
Terror--Philosophy.
Terror--Religious aspects
Terror--Social aspects.
Princeton subject headings:
Language and languages--Etymology.
Language and languages--Semantics.
Political violence.
Terror (The English word)
Terror in literature.
Terror--History.
Terror--Philosophy.
Terror--Religious aspects.
Terror--Social aspects.