http://agathe.gr/guide/history_of_the_excavations.html
History of the Excavations Some of the Agora monuments have never been fully buried and were explored by the Archaeological Society starting in the 19th century: the Stoa of Attalos (1859–1862, 1874, and ... Funding has come mostly from private sources: John D. Rockefeller Jr. ... The area of the Agora before the start of excavations in 1931, view from the west. Figure 73. Panorama of the Agora excavations, also from the west. (2002) Figure 74. Watercolor of the Agora in 1834 (Wolfensberger), view looking west. Figure 75. Giants and tritons of the Odeion of Agrippa before the start of excavations, view looking east.