- Buku AudioThree Essays on the Theory of Sexuality, Beyond the Pleasure Principle, The Ego and the IdSigmund Freud
- Buku AudioCapitalKarl Marx
- Buku AudioThe Psychopathology of Everyday LifeSigmund Freud
- Buku AudioFormative Early Writings by Karl MarxKarl Marx
- Buku AudioThe Interpretation of DreamsSigmund Freud
- Buku AudioThe Sphere and Duties of GovernmentWilhelm von Humboldt
- Buku AudioThe Condition of the Working Class in England in 1844Friedrich Engels
- Buku AudioUtilitarianism/On LibertyJohnn Stuart Mill
- Buku AudioThe Communist ManifestoKarl Marx
- Buku AudioOn the Ends of Good and EvilMarcus Tulius Cicero
- Buku AudioCapitalKarl Marx
- Buku AudioAn Autobiographical Study and The Future of an IllusionSigmund Freud