Columbia subject headings:
Libraries--Turkey--Congresses.
Library science--Congresses.
Millî Kütüphane (Turkey)--Congresses.
Harvard subject headings:
Libraries--Congresses.
Libraries--Turkey--Congresses.
Millı̂ Kütüphane (Turkey)--Congresses.
Princeton subject headings:
Libraries--Congresses.
Libraries--Turkey--Congresses.
Millî Kütüphane (Turkey)--Congresses.