Columbia subject headings:
Harvard subject headings:
Aleppo (Syria)--Commerce--History--19th century.
Aleppo (Syria)--Commercial policy--History--19th century.
Aleppo (Syria)--Economic conditions--19th century.
Aleppo (Syria)--Foreign economic relations.
Europe--Commerce--Middle East--History--19th century.
Fratelli Poche (Firm)--History.
Middle East--Commerce--Europe--History--19th century.
Princeton subject headings:
Aleppo (Syria)--Commerce--History--19th century.
Aleppo (Syria)--Commercial policy--History--19th century.
Aleppo (Syria)--Economic conditions--19th century.
Aleppo (Syria)--Foreign economic relations.
Europe--Commerce--Middle East--History--19th century.
Fratelli Poche (Firm)--History.
Middle East--Commerce--Europe--History--19th century.