Locke, John
John Locke : an essay concerning human understanding in focus
Routledge, 2000
 Buku Referensi
Locke, John
An essay concerning human understanding
Hackett Publishing Company, Inc., 1996
 Buku Teks SO
Banerjee, Nikunja Vihari
Concerning human understanding: essays on the common-sense background of philosophy
George Allen and Unwin, 1958
 Buku Teks SO
Hume, David
A treatise of human nature
J.M. Dent & Sons , 1959
 Buku Teks SO
Locke, John
An essay concerning human understanding
J.M. Dent & Sons, 1947
 Buku Teks SO