Brightman, Edgar Sheffield
An Introduction to philosophy
Holt, Rinehart and Winston, 1961
 Buku Teks SO
Randall, John Herman
Philosophy : an introduction
Barnes & Noble, 1957
 Buku Teks SO
Maritain, Jacques, 1882-1973
An introduction to philosophy
Rowman &​ Littlefield Publishers, 2005
 Buku Teks SO
Hales, Steven D.
This is philosophy: an introduction
Wiley Balckwell, 2013
 Buku Teks SO
Pound, Roscoe
An Introduction to the philosophy of law
Yale University Press, 1950
 Buku Teks