1. Çilingiroğlu , A. Sagona , A. 2008 Anatolian Iron Ages 6: the proceedings of the sixth Anatolian Iron Ages Symposium held at Eskisehir-Turkey,16-19 August 2004
2. The age of Midas in Gordion and beyond;DeVries;Ancient Near Eastern Studies,2008
3. Newdates for IronAgeGordion;DeVries;Antiquity,2003
4. Kealhofer , L. 2005 The archaeology of Midas and the Phrygians: recent work at Gordion