Kelly, Robert L.,author
Archaeology
Wadsworth, 2010
 Buku Teks
Archaeology
edited by Mari Pritchard Parker, Elvio Angeloni
McGraw-Hill, 2013
 Buku Teks
Archaeology
SPAFA, 1984
 Buku Referensi
Rothstein, Andrew
A history of the USSR
Penguin Books , 1950
 Buku Teks
Institute for the study of the USSR : Bulletin for the study of the USSR
Munich : Institute for the Study of the USSR
 Majalah, Jurnal, Buletin