Columbia subject headings:
Credit--Greece--Athens--History.
Land tenure--Greece--Athens--History.
Real property--Greece--Athens--History.
Harvard subject headings:
Credit--Greece--Athens--History.
Land tenure--Greece--Athens--History.
Real property--Greece--Athens--History.
Princeton subject headings:
Credit--Greece--Athens--History.
Land tenure--Greece--Athens--History.
Real property--Greece--Athens--History.