- AudiolibroThree Essays on the Theory of Sexuality, Beyond the Pleasure Principle, The Ego and the IdSigmund Freud
- AudiolibroCapitalKarl Marx
- AudiolibroThe Psychopathology of Everyday LifeSigmund Freud
- AudiolibroFormative Early Writings by Karl MarxKarl Marx
- AudiolibroThe Interpretation of DreamsSigmund Freud
- AudiolibroThe Sphere and Duties of GovernmentWilhelm von Humboldt
- AudiolibroThe Condition of the Working Class in England in 1844Friedrich Engels
- AudiolibroUtilitarianism/On LibertyJohnn Stuart Mill
- AudiolibroThe Communist ManifestoKarl Marx
- AudiolibroOn the Ends of Good and EvilMarcus Tulius Cicero
- AudiolibroCapitalKarl Marx
- AudiolibroAn Autobiographical Study and The Future of an IllusionSigmund Freud