Columbia subject headings:
Africa--Ethnic relations--Religious aspects.
Arab countries--Ethnic relations--Religious aspects.
Jewish merchants--Arab countries.
Merchants, Foreign--Africa--Social conditions.
Merchants, Foreign--Arab countries--Social conditions.
Minorities--Arab countries--Economic conditions.
Religious minorities--Africa--Economic conditions.
Religious minorities--Arab countries--Economic conditions.
Harvard subject headings:
Africa, Sub-Saharan--Commerce--History.
Arab countries--Commerce--History.
Minorities--Africa, Sub-Saharan--History.
Minorities--Arab countries--History.
Minority business enterprises--Africa, Sub-Saharan--History.
Minority business enterprises--Arab countries--History.
Princeton subject headings:
Africa, Sub-Saharan--Commerce--History.
Arab countries--Commerce--History.
Minorities--Africa, Sub-Saharan--History.
Minorities--Arab countries--History.
Minority business enterprises--Africa, Sub-Saharan--History.
Minority business enterprises--Arab countries--History.