Columbia subject headings:
Europe--Languages--History.
Germanic languages--History.
Historical linguistics.
Language and languages--Etymology.
Semitic languages--Europe--History.
Semitic languages--Influence on Germanic languages--History.
Harvard subject headings:
Europe--Languages--History.
Germanic languages--History.
Historical linguistics.
Language and languages--Etymology
Semitic languages--Europe--History.
Semitic languages--Influence on Germanic--History.
Princeton subject headings:
Europe--Languages--History.
Germanic languages--History.
Historical linguistics.
Language and languages--Etymology.
Semitic languages--Europe--History.
Semitic languages--Influence on Germanic--History.