- Buku AudioPlato's RepublicPlato
- Buku AudioPlato's EuthyphroPlato
- Buku AudioPlato's Greater HippiasPlato
- Buku AudioPlato's CritoPlato
- Buku AudioPlato's IonPlato
- Buku AudioPlato's MenoPlato
- Buku AudioPlato's LachesPlato
- Buku AudioPlato's GorgiasPlato
- Buku AudioPlato's SymposiumPlato
- Buku AudioPlato's PhaedoPlato
- Buku AudioPlato's PhaedrusPlato
- Buku AudioPlato's ApologyPlato
- Buku AudioPlato's TheaetetusPlato
- Buku AudioOn LibertyJohn Stuart Mill
- Buku AudioThree Dialogues between Hylas and PhilonousGeorge Berkeley
- Buku AudioThe PoeticsAristotle
- Buku AudioReflections on the Mind of PlatoJoseph N. Uemura
- Buku AudioReality and the ArtsAlbert A. Anderson
- Buku AudioDao De JingLaozi
- Buku AudioThe Introduction to MetaphysicsHenri Bergson
- Buku AudioFoundations of EthicsImmanuel Kant
- Buku AudioThe Function of ReasonAlfred North Whitehead
- Buku AudioDialogues Concerning Natural ReligionDavid Hume
- Buku AudioDescartes' MeditationsRené Descartes
- Buku AudioThe Birth of TragedyFriedrich Nietzsche
- Buku AudioForcing JusticeHenry David Thoreau