Columbia subject headings:
Debts, External--Greece--History--19th century.
Greece--Foreign relations--1821-1862.
Loans, Foreign--Greece--History--19th century.
Harvard subject headings:
Debts, External--Greece--History--19th century.
Greece--Foreign relations.
Loans, Foreign--Greece--History--19th century.
Princeton subject headings:
Debts, External--Greece--History--19th century.
Greece--Foreign relations.
Loans, Foreign--Greece--History--19th century.