Toynbee, Arnold J.
Civilization on trial
Oxford University Press, 1948
Buku Teks SO
Parkinson, Claire L.
Breakthroughs : a cronology of great achievements in science and mathematics 1200-1930
G.K. Hall, 1984
Buku Teks SO
Mathematics
Hemming, 1998
Multimedia
Wallbank, T. Walter
Civilization, past and present
Scott, Foresman, 1965
Buku Teks SO
Wallbank, T. Walter
Civilization : past and present
Scott, Foresman, 1967
Buku Teks SO