Origen, Commentary on Matthew 4 on 24:15; Bordeaux Pilgrim, Travels 591.4. See Wilkinson, “Christian Pilgrims in Jerusalem During the Byzantine Period,” Palestine Exploration Quarterly 108 (1976), pp. 77–78, and Jerusalem Pilgrims Before the Crusades (Warminster: Aris and Phillips, 1977), p. 173a. The base of the second statue, which was of the emperor Antonius Pius, is built into the southern wall of the Temple Mount and can be seen, with the inscription upside down, above the Double Gate.