Judeich, Topographie von Athen², p. 333 S. Dow, Hesperia, Suppl. I, 1937, p. 60, No. 18, photograph p. 60 S. Dow, Hesperia, Suppl. I, 1937, pp. 59-60, No. 17, photograph p. 59 B.D. Meritt, Hesperia, 33, 1964, pp. 171-173, No. 26, photograph pl. 28 S.E.G., XXi, 384