Childe, V. Gordon
Alfred A. Knopf, 1958
Buku Teks
Ferguson, Wallace K.
Sir Isaac Pitman & Sons, [date of publication not identified]
Buku Teks
Childe, V. Gordon
Routledge, 1996
Buku Teks
Rice, Eugene F.
W.W. Norton, 1970
Buku Teks
Schapiro, J. Salwyn
Houghton Miffiln, 1953
Buku Teks