Columbia subject headings:
Agriculture--Iraq--History--Periodicals.
Cuneiform inscriptions, Sumerian--Periodicals.
Sumerian language--Periodicals.
Sumerians--Periodicals.
Harvard subject headings:
Agriculture--Iraq--History--Periodicals.
Cuneiform inscriptions, Sumerian--Periodicals.
Sumerian language--Periodicals.
Sumerians--Periodicals.
Princeton subject headings:
Sumerians--Periodicals.