İzmit Rotary Kulübü,
3
British Institute of Archaeology at Ankara,
2
B. A. R.,
1
Cambridge University,
1
Dr. Rudolf Habelt GmbH,
1
Ernst Wasmuth,
1
Eski Eserler ve Müzeler Genel Müdürlüğü,
1
Harvard University,
1
Ketebe,
1
The British Institute of Archaeology at Ankara,
1
2 Yayıncı daha
