| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| library of congress ebooks free | 0.54 | 0.1 | 8263 | 28 |
| library of congress ebooks | 1.94 | 0.7 | 5844 | 56 |
| library of congress free book download | 0.43 | 0.3 | 9163 | 94 |
| library of congress free books | 0.86 | 0.2 | 9589 | 30 |
| library of congress free books online | 0.32 | 0.4 | 5993 | 4 |
| library of congress free pdf books | 0.82 | 0.3 | 4962 | 62 |
| does the library of congress have ebooks | 1.63 | 0.4 | 2329 | 53 |
| library of congress downloadable books | 0.19 | 0.5 | 1746 | 17 |
| library of congress free downloads | 0.51 | 0.9 | 8588 | 28 |
| library of congress books online | 1.56 | 0.1 | 2243 | 93 |
| library of congress book | 0.43 | 0.2 | 723 | 56 |
| library of congress books pdf | 0.82 | 0.6 | 1494 | 2 |
| library of congress books to read online | 1.81 | 0.1 | 7093 | 45 |
| library of congress book program | 0.04 | 0.7 | 7642 | 87 |
| download library of congress | 0.31 | 0.1 | 7160 | 39 |
