| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| historical revolutions primary sources | 0.05 | 0.3 | 5601 | 75 | 38 |
| historical | 1.08 | 1 | 9595 | 99 | 10 |
| revolutions | 0.43 | 0.3 | 1742 | 91 | 11 |
| primary | 0.72 | 0.5 | 2614 | 63 | 7 |
| sources | 0.08 | 0.1 | 2308 | 31 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| historical revolutions primary sources | 0.33 | 0.6 | 5680 | 28 |
