Columbia subject headings:
Greece--History--Bibliography--Catalogs.
Greece--History--Bibliography.
Roman law--Bibliography--Catalogs.
Roman law--Bibliography.
Rome--History--Bibliography--Catalogs.
Rome--History--Bibliography.
Harvard subject headings:
Greece--History--Bibliography--Catalogs.
Greece--History--Bibliography.
Roman law--Bibliography--Catalogs.
Roman law--Bibliography.
Rome--History--Bibliography--Catalogs.
Rome--History--Bibliography.
Princeton subject headings:
Catalogs.
Greece--History--Bibliography--Catalogs.
Roman law--Bibliography--Catalogs.
Rome--History--Bibliography--Catalogs.