Hampshire, Stuart
Spinoza
Penguin Books, 1951
 Buku Teks SO
Spinoza dictionary
edited by Dagobert D. Runes
Philosophical Library, 1951
 Buku Teks SO
Theodore dreiser : presents the living thoughts of thoreau
Fawcett Publications, Inc., 1958
 Buku Teks SO
Thomas, Henry
The Living world of philosophy
Blakiston, 1946
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Twentieth century philosophy living schools of thought
Edited by Dagobert D. Runes
Philosophical Library, 1947
 Buku Teks SO