Francis C. Penrose: An Investigation of the Principles of Athenian Architecture, or, The Results of a Recent Survey Conducted chiefly with Reference to the Optical Refinements Exhibited in the Construction of the Ancient Buildings at Athens. 2. Auflage. Society of Dilettanti, London 1888, S. 77 (Digitalisat); John Travlos: Bildlexikon zur Topographie des antiken Athen, S. 402
