@book{Collon1982WAS2, author = {Collon, Dominique}, number = {II}, series = {Catalogue of the {Western} {Asiatic} seals in the {British} {Museum}}, year = {1982}, title = {Akkadian, {Post} {Akkadian}, {Ur} {III} {Periods}}, } @book{Woolley1934UE2, author = {Woolley, C. Leonard}, number = {vol. 2}, series = {Ur {Excavations}}, year = {1934}, title = {The {Royal} {Cemetery}: a {Report} on the {Predynastic} and {Sargonic} graves excavated between 1926 and 1931}, }