Columbia subject headings:
Library science--Developing countries.
Library science--Saudi Arabia.
National libraries--Developing countries.
National libraries--Saudi Arabia.
Harvard subject headings:
Library science--Developing countries.
Library science--Saudi Arabia.
National libraries--Developing countries.
National libraries--Saudi Arabia.
Princeton subject headings:
Library science--Developing countries.
Library science--Saudi Arabia.
National libraries--Developing countries.
National libraries--Saudi Arabia.