| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| sources of historical writing | 1.5 | 0.4 | 8989 | 73 | 29 |
| sources | 0.32 | 0.6 | 3642 | 76 | 7 |
| of | 0.41 | 0.8 | 3781 | 76 | 2 |
| historical | 1.01 | 1 | 2386 | 21 | 10 |
| writing | 1.52 | 0.4 | 4424 | 32 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| sources of historical writing | 1.34 | 0.1 | 5782 | 52 |
| written sources of history | 1.94 | 0.2 | 9451 | 41 |
| types of written sources in history | 0.06 | 0.7 | 9498 | 85 |
| kinds of historical sources | 0.28 | 0.4 | 7891 | 8 |
| forms of historical writing | 0.24 | 0.1 | 1456 | 56 |
| examples of historical sources | 1.38 | 0.7 | 4673 | 57 |
| example of historical sources | 1.39 | 0.9 | 3394 | 3 |
| types of historical sources | 1.84 | 0.2 | 9187 | 6 |
| history essay writing sources | 1.17 | 0.9 | 4640 | 46 |
| sources of historical information | 0.65 | 0.8 | 9221 | 68 |
| examples of sources of history | 1.28 | 0.3 | 8828 | 5 |
| types of sources of history | 0.24 | 0.8 | 1816 | 94 |
| only primary sources used in writing history | 1.56 | 0.1 | 4745 | 21 |
| types of historical writing | 1.48 | 0.7 | 6138 | 17 |
| types of historical sources and examples | 0.45 | 1 | 2466 | 25 |
| literary sources of history | 1.3 | 0.6 | 3803 | 19 |
| written sources of history images | 0.25 | 0.2 | 3568 | 69 |
