Science of Breath, by Yogi Ramacharaka, pseud. William Atkinson, [1904]
| Chapter I | |
| Salaam | 5 |
| Chapter II | |
| "Breath Is Life" | 8 |
| Chapter III | |
| The Exoteric Theory of Breath | 12 |
| Chapter IV | |
| The Esoteric Theory of Breath | 18 |
| Chapter V | |
| The Nervous System | 23 |
| Chapter VI | |
| Nostril Breathing vs. Mouth Breathing | 27 |
| Chapter VII | |
| The Four Methods of Respiration | 32 |
| Chapter VIII | |
| How to Acquire the Yogi Complete Breath | 39 |
| Chapter IX | |
| Physiological Effect of the Complete Breath | 43 |
| Chapter X | |
| A Few Bits of Yogi Lore | 48 |
| Chapter XI | |
| The Seven Yogi Developing Exercises | 52 |
| Chapter XII | |
| Seven Minor Yogi Exercises | 57 |
| Chapter XIII | |
| Vibration and Yogi Rhythmic Breathing | 60 |
| Chapter XIV | |
| Phenomena of Yogi Psychic Breathing | 65 |
| Chapter XV | |
| More Phenomena of Yogi Psychic Breathing | 73 |
| Chapter XVI | |
| Yogi Spiritual Breathing | 83 |