Trigger, Bruce G., author
Cambridge University Press, 2006
Buku Teks
Trigger, Bruce G., author
Cambridge University Press, 1989
Buku Teks
Christopher Ehret and Merrick Posnansky edited by
University of California Press, 1982
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks
Wanlass, Lawrence C., author
Appleton-Century-Crofts, 1953
Buku Teks