Fig 1- Side elevation of the contraforte, with a section of the wall of the amphitheatre Fig2- Longitudinal section of t - Stuart James & Revett Nicholas - 1816, 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.