Spinoza, Baruch
On the improvement of the understanding / Baruch Spinoza; translated, Joseph Katz
BobbsMerrill, 1958
 Buku Teks
Philosophic problems: in introductory book of readings
edited by Maurice Mandelbaum, Francis W. Gramlich, and Alan Ross Anderson
Macmillan, 1957
 Buku Teks
Philosophic problems: an introductory book of readings
edited by Maurice Mandelbaum, Francis W. Gramlich and Alan Ross Anderson
Macmillan, 1957
 Buku Teks
Smith, Norman Kemp
Descartes philosophical writings / selected and translated by Norman Kemp Smith
The Modern Library, 1958
 Buku Teks
Christensen, Kit R.
Philosophy and choice : selected readings from around the world
McGraw-Hill, 2002
 Buku Teks