Childe, V. Gordon, author
Alfred A. Knopf, 1958
Buku Teks
Ferguson, Wallace K.
Houghton Miffiln, 1942
Buku Klasik
Childe, V. Gordon, author
Routledge, 1996
Buku Teks
Rice, Eugene F., author
W.W. Norton, 1970
Buku Teks
Burns, Edward McNall, 1897-1972, author
W.W. Norton & Company, 1973
Buku Teks