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- Carte audioDiscourse on InequalityJean-Jacques Rousseau
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- Carte audioThe Social ContractJean-Jacques Rousseau
- Carte audioThe Art of ControversyArthur Schopenhauer
- Carte audioStudies in PessimismArthur Schopenhauer
- Carte audioNatureRalph Waldo Emerson
- Carte audioThe Public and Its ProblemsJohn Dewey
- Carte audioThe Black and the WhiteVoltaire
- Carte audioApplied PsychologyWarren Hilton
- Carte audioThe Corpus HermeticumHermes Trismegistus
- Carte audioCanoeing in the WildernessHenry David Thoreau
- Carte audioOn Human NatureArthur Schopenhauer
- Carte audioThe Essays of Arthur SchopenhauerArthur Schopenhauer
- Carte audioThe Age of Big BusinessBurton Jesse Hendrick
- Carte audioGolden Rules for Making MoneyP. T. Barnum
- Carte audioThe Basis of MoralityArthur Schopenhauer
- Carte audioBusiness EtiquetteNella Braddy Henney
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- Carte audioThe HuronVoltaire
- Carte audioCreative ImaginationWarren Hilton
- Carte audioEmerson's Essays Volume 1Ralph Waldo Emerson
- Carte audioThe Conduct of LifeRalph Waldo Emerson
- Carte audioUtilitarianismJohn Stuart Mill
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- Carte audioOn LibertyJohn Stuart Mill
- Carte audioDiscourse on the MethodRené Descartes
- Carte audioThe Laws of RecallWarren Hilton
- Carte audioHow to Invest MoneyGeorge Garr Henry
- Carte audioExcursionsHenry David Thoreau
- Carte audioThe Great LearningConfucius
- Carte audioCounsels and MaximsArthur Schopenhauer
- Carte audioThe Secret of Mental EfficiencyWarren Hilton
- Carte audioEmerson's Essays Volume 2Ralph Waldo Emerson
- Carte audioChina, Japan and the U.S.A.John Dewey
- Carte audioThe Dawn of DayFriedrich Nietzsche