| Clue | Source | Date |
|---|---|---|
| Servitude system | Wall Street Journal | 30 Dec 2023 |
| System of servitude | The Chronicle of Higher Education | 10 Jun 2016 |
| System of servitude | ||
| System of servitude | ||
| Some servitude | ||
| Form of servitude | ||
| System of servitude | ||
| Near-slavery | ||
| Indentured servitude | ||
| Servitude | ||
| Type of servitude | ||
| Slavery. | ||
| Servitude. | ||
| Serfdom. | ||
| State of servitude. | ||
| Next thing to slavery. | ||
| Semibondage. | ||
| Condition of certain laborers. |