Columbia subject headings:
Universities and colleges--Graduate work--Congresses.
Universities and colleges--Graduate work.
Universities and colleges--Turkey--Graduate work--Congresses.
Universities and colleges--Turkey--Graduate work.
Harvard subject headings:
Universities and colleges--Graduate work--Congresses.
Universities and colleges--Graduate work.
Universities and colleges--Turkey--Graduate work--Congresses.
Universities and colleges--Turkey--Graduate work.
Princeton subject headings:
Universities and colleges--Graduate work--Congresses.
Universities and colleges--Turkey--Graduate work--Congresses.