| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| proquest historical newspapers | 0.49 | 0.1 | 369 | 40 | 30 |
| proquest | 0.64 | 0.9 | 5296 | 26 | 8 |
| historical | 0.64 | 0.3 | 962 | 67 | 10 |
| newspapers | 1.09 | 0.3 | 8870 | 32 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| proquest historical newspapers | 1.94 | 0.9 | 4306 | 53 |
