| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| united states history book online | 0.71 | 0.7 | 1594 | 43 |
| united states history book pdf | 0.17 | 0.4 | 5276 | 52 |
| a history of the united states book | 1.2 | 0.6 | 8812 | 67 |
| united states history online textbook | 0.8 | 1 | 9643 | 64 |
| american history book online | 1.68 | 0.7 | 6117 | 95 |
| united states history books | 0.21 | 0.2 | 6252 | 22 |
| book on us history | 0.53 | 1 | 1557 | 71 |
| american history book online free | 1.42 | 0.7 | 3279 | 87 |
| us history book free | 0.03 | 0.8 | 7131 | 46 |
| american us history book | 1.03 | 0.5 | 9062 | 11 |
| u.s history book pdf | 1.49 | 0.5 | 3686 | 31 |
| u s history books | 1.26 | 0.4 | 6808 | 44 |
| ap united states history amsco book pdf | 1.97 | 0.9 | 6187 | 3 |
| nystrom united states history atlas book pdf | 0.45 | 0.7 | 2505 | 85 |
