Thody, Philip
An historical introduction to the European Union
Routledge , 1997
 Buku Teks SO
Wolf, Hans Julius
Roman law an historical introduction
University of Oklahoma Press, 1978
 Buku Teks
Losee, John
A Historical introduction to the philosophy of science
Oxford University Press, 1980
 Buku Teks SO
Lehmann, Winfred P.
Historical linguistics : an introduction
Holt, Rinehart & Winston, 1973
 Buku Teks SO
Lehmann, Winfred P.
Historical linguistics: an introduction
Holt, Rinehart and Winston, 1962
 Buku Teks SO