| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| public domain images free library | 1.39 | 0.4 | 537 | 8 |
| library of congress free public domain images | 0.81 | 1 | 6614 | 20 |
| public domain images free download | 0.45 | 0.5 | 4503 | 8 |
| public domain free images | 1.21 | 1 | 4076 | 88 |
| free public domain images and pictures | 1.14 | 1 | 7321 | 20 |
| images for public domain | 1.98 | 0.1 | 5863 | 52 |
| are library of congress photos public domain | 0.25 | 0.2 | 110 | 68 |
| library of congress public domain | 1.78 | 0.3 | 7819 | 91 |
| library of congress public domain video | 0.64 | 0.8 | 6295 | 24 |
| library of congress public domain movies | 0.68 | 0.1 | 2337 | 71 |
| library of congress public domain films | 0.98 | 0.5 | 8821 | 50 |
| library of congress public domain books | 0.15 | 0.2 | 844 | 70 |
| library of congress copyright free images | 1.72 | 0.8 | 4984 | 34 |
| library of congress free to use images | 1.89 | 0.4 | 8667 | 28 |
| free image library of congress | 1.6 | 0.7 | 8248 | 99 |
| library of congress free pictures | 1.07 | 0.6 | 4427 | 95 |
| library of congress free photos | 0.46 | 0.9 | 5011 | 27 |
