Knudsen, Ann K. A Study of the Relationship between Phrygian Metalwork and Pottery in the 8th and 7th Centuries B.C. (University of Pennsylvania, Ph.D. thesis, 1961).
Körte, Gustav and Alfred. Gordion: Ergebnisse der Ausgrabung im Jahre 1900. Jahrbuch des Deutschen Archäologischen Instituts, Ergänzungsheft 5 (Berlin 1904).
Kohler, Ellen L. The Gordion Excavations (1950-1973) Final Reports, Vol. II, Part 1: The Lesser Phrygian Tumuli: The Inhumations (Philadelphia 1995).
McClellan, Joanna F. The Iron Objects from Gordion, A Typological and Functional Analysis (University of Pennsylvania, Ph.D. thesis, 1975).
Steinberg, Arthur. "Technology and Culture: Technological Styles in the Bronzes of Shang China, Phrygia, and Urnfield Central Europe" in H. Lechtman and R. S. Merrill (Eds.), Material Culture--Style, Organization and Dynamics of Technology (St. Paul 1977) 62-70.
Temizsoy, Ilhan. "Mamaderesi Tümülüsü Kazisi Küçük Buluntular" Anadolu Medeniyetleri Müzesi 1992 Yilligi (Ankara 1993) 110-137.
Idem. "Mamaderesi Tümülüsü Kazisi Küçük Buluntular II" Anadolu Medeniyetleri Müzesi 1993 Yilligi (Ankara 1994) 5-33.
Young, Rodney S. "Bronzes from Gordion's Royal Tomb" Archaeology 11 (1958) 227-231.
Idem. Gordion Excavations Reports, Vol. I: Three Great Early Tumuli [P, MM, W] (Philadelphia, University Museum, 1981). [Reviews: Muscarella (1982), Moiseyeva (1983), Ramage (1983), Le Roy (1985)].