Columbia subject headings:
Charities--Egypt--Congresses.
Non-governmental organizations--Egypt--Congresses.
Nonprofit organizations--Egypt--Congresses.
Harvard subject headings:
Charities--Egypt--Congresses.
Non-governmental organizations--Egypt--Congresses.
Nonprofit organizations--Egypt--Congresses.
Princeton subject headings:
Charities--Egypt--Congresses.
Non-governmental organizations--Egypt--Congresses.
Nonprofit organizations--Egypt--Congresses.