The base of the column with the circular zoccolos or steps which are immediately above the quadrangular basement - Stuart James & Revett Nicholas - 1762, 1794

James stuart & nicholas revett. The antiquities of athens measured and delineated by james stuart f. R. S. And f. S. A. And nicholas revett painters and αrchitects, vol. Iii (ed. Willey reveley), london, john nichols, 1794. Date: 1794.