Floud, Roderick
An introduction to quantitative methods for historians
Princeton University Press, 1973
Buku Teks
Roman imperialism : readings and sources
Blackwell Publishing, 2004
Buku Teks
Dubs, Homer H.
A Roman city in ancient China
China Society, 1957
Buku Teks
Robinson, O.F.
Ancient rome : city planning and administration / O.F. Robinson
Routledge, 1994
Buku Teks
Defoe, Daniel
Robinson crusoe and the raft : the rime of the ancient mariner
Noble and Noble, 1959
Buku Teks