| Chapter One | Thesis Statement |
| Justification | |
| Review of Prior Research | |
| Sources and Limitations | |
| Protocols | |
| Chapter Two | Beginnings 1922-31. |
| Chapter Three | 40th & Tower, 1932-41 |
| Chapter Four | Network Heyday, World War II - 1955 |
| Chapter Five | Top 40 1955-67 |
| Chapter Six | Post-Fire, Top Dog 1967-72 |
| Chapter Seven | Erosion To FM 1972-84 |
| Chapter Eight | Talk, Automation, and Duopoly 1985-95 |
| Chapter Nine | Suggested Further Research |
| Appendix A | WEBC Timeline |
| Appendix B | Interviewee Biographies |
| Bibliography | |