| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| library of congress free books online | 0.79 | 0.5 | 1149 | 79 |
| library of congress free online movies | 0.53 | 0.4 | 7885 | 58 |
| library of congress online library | 1.67 | 0.5 | 2052 | 28 |
| library of congress free book download | 0.16 | 0.2 | 7871 | 7 |
| library of congress online resources | 0.13 | 0.2 | 729 | 38 |
| library of congress books to read online | 0.45 | 1 | 6745 | 69 |
| congress library online books | 1.89 | 0.9 | 3420 | 48 |
| library of congress free books | 0.93 | 1 | 5571 | 30 |
| library of congress search online | 1.27 | 0.3 | 7529 | 8 |
| library of congress online access | 1.82 | 0.6 | 6930 | 96 |
| library of congress online images | 1.5 | 1 | 9498 | 65 |
| library of congress download | 0.52 | 1 | 1003 | 15 |
| l.gov library of congress online | 0.29 | 0.6 | 6143 | 72 |
| library of congress website | 1.98 | 0.2 | 1654 | 72 |
| library of congress ebooks free | 0.99 | 0.4 | 4346 | 18 |
| library of congress books | 1.75 | 0.4 | 7299 | 38 |
| library of congress free downloads | 1.94 | 0.2 | 9092 | 57 |
| the library of congress online | 1.78 | 0.9 | 6127 | 32 |
| library of congress books pdf | 0.27 | 0.6 | 9260 | 89 |
