Columbia subject headings:
Drehem (Extinct city)--Commerce--History--Sources.
Sumerian language--Texts.
Harvard subject headings:
Drehem (Extinct city)--Commerce--History--Sources.
Drehem (Extinct city)--Commerce--Sources.
Sumerian language--Iraq--Drehem (Extinct city)--Texts.
Sumerian language--Texts.
Princeton subject headings:
British Museum--Catalogs.
Catalogs.
Drehem (Extinct city)
Sumerian language--Texts--Catalogs.