Barclay, The City of the Great King, pp. 489–491. This gate, one of the five original Temple Mount entrances, has been identified by modern scholars as the “Kiponus Gate” cited in the Mishnah, Middoth, 1:3. For additional information, photographs and a reconstructed drawing of Barclay’s Gate, see Meir Ben-Dov, In the Shadow of the Temple: The Discovery of Ancient Jerusalem (Jerusalem: Keter Publishing House, 1985), pp. 140–144.