Columbia subject headings:
Egypt--Economic conditions.
Egypt--Social conditions.
Ṣaʻīdīs--Economic conditions.
Ṣaʻīdīs--Social conditions.
Harvard subject headings:
Egypt--Economic conditions
Egypt--Social conditions
Ṣaʻīdīs--History.
Princeton subject headings:
Egypt--Economic conditions.
Egypt--Social conditions.
Ṣaʻīdīs--History.