| Acknowledgements | 第1-7页 |
| Abstract | 第7-9页 |
| 摘要 | 第9-10页 |
| CONTENTS | 第10-12页 |
| INTRODUCTION | 第12-13页 |
| CHAPTER ONE LITERATURE REVIEW | 第13-21页 |
| ·Studies Abroad | 第13-18页 |
| ·Studies At Home | 第18-21页 |
| CHAPTER TWO AUGUST WILSON'S CENTURY CYCLE AND FOUR BS'INFLUENCE ON WILSON | 第21-29页 |
| ·August Wilson and His Century Cycle | 第21-25页 |
| ·Influence of Four Bs | 第25-29页 |
| CHAPTER THREE LOSS OF SELF REFLE CTED IN AUGUST WILSON'SPLAYS | 第29-38页 |
| ·The Marginalization of African Americans | 第29-34页 |
| ·African Americans' Indifference to the Miserable Past | 第29-32页 |
| ·African Americans' Disillusion in American Society | 第32-34页 |
| ·The Dilemma Reflected in August Wilson's Plays | 第34-38页 |
| ·Berniece's Confusion towards the Family's Past in The Piano Lesson | 第34-35页 |
| ·Citizen's Alienation from the Community in Gem of the Ocean | 第35-36页 |
| ·Band Members' Frustration in Ma Rainey's Black Bottom | 第36-38页 |
| CHAPTER FOUR SEARCHING FOR SELF THROUGH SUPERNATURALPOWER | 第38-48页 |
| ·Connection with the Family's Past in The Piano Lesson | 第38-43页 |
| ·Connecting with the Past through Ghosts on the "Yellow Dog" | 第38-42页 |
| ·Gaining Spiritual Strength from the Ghost Haunted on the Piano | 第42-43页 |
| ·Return to the Black Community in Gem of the Ocean | 第43-48页 |
| ·The Importance of the Black Community | 第44-45页 |
| ·Back to the Community through "Spiritual Connecto" Aunt Ester | 第45-48页 |
| CHAPTER FIVE SEEKING FOR SELF THROUGH BLUES | 第48-58页 |
| ·African Americans and Blues | 第48-51页 |
| ·Self-Awareness through Blues in Ma Rainey's Black Bottom | 第51-58页 |
| CONCLUSION | 第58-60页 |
| REFERENCES | 第60-64页 |