| Abstract | 第5-6页 |
| 摘要 | 第7-10页 |
| Introduction | 第10-20页 |
| A. Sinclair Lewis and His Main Street | 第10-13页 |
| B. Literature Review | 第13-17页 |
| C. Theory of Cultural Ecology | 第17-20页 |
| Chapter One Village Virus | 第20-31页 |
| A. Complacency | 第21-24页 |
| B. Dull Lifestyle | 第24-27页 |
| C. Parochialism | 第27-31页 |
| Chapter Two Prejudices and Discrimination | 第31-41页 |
| A. Prejudices and Discrimination over Manual Workers | 第32-34页 |
| B. Prejudices and Discrimination over Scandinavian Immigrants | 第34-36页 |
| C. Prejudices and Discrimination over Outsiders | 第36-41页 |
| Chapter Three Rural Civilization and Urban Civilization | 第41-52页 |
| A. Rural Civilization | 第42-45页 |
| B. Urban Civilization | 第45-48页 |
| C. Integration and Conflicts Between Rural and Urban Civilizations | 第48-52页 |
| Conclusion | 第52-55页 |
| Notes | 第55-56页 |
| Bibliography | 第56-60页 |
| Acknowledgement | 第60-61页 |
| Academic Achievements | 第61页 |
