| Enrico Caruso, the Master of Natural Singing |
| The Aim of This Book |
| Who Will Read This Book? |
| The Decadence of the Art of Singing and Its Causes; Its Restoration |
| The Voice in Its Natural Production: New Principles on the Mechanism of Voice Production |
| Some Suggestions for a Radical Reform in Voice Culture |
| The Human Voice in Its Relationship to Science |
| Brief Outline of the Anatomy of the Vocal Organs |
| Seven Principles of Singing |
| Caruso's Method of Singing as Explained by Himself |
| The Radical Reform of Voice Culture Through the Speaking Voice |
| The Voice in its Relationship to Music; the Importance of the Speaking Voice in Voice Culture |
| Who Should Teach Voice Culture and How |
| The Italian Vowls and Consonants as Fundamental Phonetic Elements for Voice Culture |
| The Articulation of the Italian Consonants; Speaking Exercises for a Correct Voice Production |
| Vocal Exercises of the Scientific Culture |
| A Word from a Laryngologist to Singers |