Columbia subject headings:
Arabia, Roman--History.
Roman provinces--Arabian Peninsula.
Harvard subject headings:
American Palestine Exploration Society--Catalogs.
Hauran (Syria)--Antiquities.
Hauran (Syria)--History.
Jordan--Antiquities.
Jordan--History.
Middle East--Antiquities--Pictorial works--Catalogs.
Photographs--Catalogs
Romans--Jordan.
Romans--Syria--Huaran.
Syria--Antiquities.
Princeton subject headings:
Arabia, Roman--History.
Roman provinces--Arabia.