Columbia subject headings:
Prostitution--Greece--History--Congresses.
Prostitution--Rome--History--Congresses.
Slavery in the Bible--Congresses.
Slavery--Egypt--History--Congresses.
Slavery--Greece--History--Congresses.
Slavery--Middle East--History--Congresses.
Slavery--Rome--History--Congresses.
Harvard subject headings:
Prostitution--Biblical teaching--Congresses.
Prostitution--Greece--History--Congresses.
Prostitution--Rome--History--Congresses.
Slavery in the Bible--Congresses.
Slavery--Egypt--History--Congresses.
Slavery--Greece--History--Congresses.
Slavery--Middle East--History--Congresses.
Slavery--Rome--History--Congresses.
Princeton subject headings: