| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-10页 |
| Introduction | 第10-15页 |
| Chapter 1 Literature Review | 第15-22页 |
| ·Relevant Researches Abroad | 第15-19页 |
| ·Relevant Researches in China | 第19-20页 |
| ·Delimitation of the Topic: A New Perspective | 第20-22页 |
| Chapter 2 Towards a Ritualistic Stage: Theatrical Values of O’Neill’s Masks | 第22-44页 |
| ·O’Neill’s Notions on Theatrical Masks | 第22-27页 |
| ·Theatrical Masks in The Great God Brown and Lazarus Laughed | 第27-39页 |
| ·The Great God Brown—Masked Individuals | 第28-34页 |
| ·Lazarus Laughed— Masked Groups | 第34-39页 |
| ·Masks on Stage: Failure? Enlightenment? | 第39-42页 |
| ·Conclusion for Chapter Two | 第42-44页 |
| Chapter 3 Universal Human Tragedy with Supreme Narrations: Literary Values of O’Neill’s Masks | 第44-62页 |
| ·Masks and the Themes | 第44-55页 |
| ·The Masked Couples in the Masked Marriage and the Masked Man in the Masked World | 第45-51页 |
| ·The Masked Truth of Life and the Masked Mob | 第51-55页 |
| ·Masks, Actions and Tragedies | 第55-60页 |
| ·Conclusion for Chapter Three | 第60-62页 |
| Chapter 4 When Dionysus Meets the Modernists: Philosophical Values of O’Neill’s Masks | 第62-77页 |
| ·Masks and the Modernists | 第62-69页 |
| ·Masks as Language: A Non-verbal Theatre | 第63-65页 |
| ·Idealized Mask: über-marionette | 第65-66页 |
| ·Masks as Segments of Souls: German Expressionist Theatre | 第66-69页 |
| ·Masks and Nietzsche | 第69-75页 |
| ·Conclusion for Chapter Four | 第75-77页 |
| Conclusion | 第77-81页 |
| Works Cited | 第81-84页 |
| Bibliography | 第84-88页 |
