Sherrard, Philip.
Time-Life International, 1967
Buku Teks
Barbier, Frederic, author
Polity Press, 2017
Buku Teks
edited by Francesco Vallerani and Francesco Visentin
Routledge, 2018
Buku Teks
Yiwei, Wang, author
World Century, 2015
Buku Teks
Abegg, Lily
Atlantis, 1949
Buku Teks