Columbia subject headings:
Secret service--Turkey.
Terrorism--Turkey--Prevention.
Turkey--Politics and government--1980-
Turkey. Emniyet Genel Müdürlüğü.
Harvard subject headings:
Secret service--Turkey.
Terrorism--Prevention--Turkey.
Turkey--Politics and government--1980-
Turkey. Emniyet Genel Müdürlüğü.
Princeton subject headings:
Secret service--Turkey.
Terrorism--Prevention--Turkey.
Turkey--Politics and government--1980-
Turkey. Emniyet Genel Müdürlüğü