Hutton, J.H.
Caste in India : its nature, function, and origins / by J.H. Hutton
Cambridge University Press , 1946
 Buku Teks
Vernadsky, George
The origins of Russia
At The Clarendon Press, 1959
 Buku Teks
Arendt, Hannah, 1906-1975
The origins of totalitarianism
Harcourt, Brace, 1950
 Buku Teks
Arendt, Hannah, 1906-1975
The origins of totalitarianism
Harcourt, Brace, 1951
 Buku Teks
Dyson, Freeman J.
Origins of life
Cambridge University Press, 1999
 Buku Teks