- HörbuchNapoleon Hill – The Road to RichesNapoleon Hill
- HörbuchNapoleon Hill's Master CourseNapoleon Hill
- HörbuchNapoleon Hill in His Own VoiceNapoleon Hill
- HörbuchThe Ultimate Positive Thinking Master CourseJim Rohn
- HörbuchThink and Grow RichNapoleon Hill
- HörbuchThe Master Key to RichesNapoleon Hill
- HörbuchNapoleon Hill's Radio School of SuccessNapoleon Hill
- HörbuchThink and Grow RichNapoleon Hill
- HörbuchNapoleon Hill's Master KeyNapoleon Hill
- HörbuchPiense y hágase ricoNapoleon Hill