| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| world book encyclopedia 1950 | 1.62 | 0.8 | 4192 | 74 | 28 |
| world | 1.49 | 0.5 | 917 | 62 | 5 |
| book | 0.58 | 0.2 | 8856 | 86 | 4 |
| encyclopedia | 1.52 | 0.1 | 4213 | 64 | 12 |
| 1950 | 0.69 | 0.2 | 9528 | 92 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| world book encyclopedia 1950 | 1.51 | 0.6 | 1418 | 92 |
| world book encyclopedia 1960 value | 1.24 | 0.4 | 4639 | 71 |
| world book encyclopedia 1970 | 1.27 | 0.8 | 8647 | 12 |
| world book encyclopedia 1970 edition | 1.38 | 0.5 | 22 | 36 |
| world book encyclopedia 1952 | 0.56 | 0.8 | 8859 | 62 |
| world book encyclopedia 1956 | 0.92 | 0.4 | 6328 | 81 |
| world book encyclopedia 1957 | 1.55 | 0.8 | 6226 | 76 |
| world book encyclopedia 1955 | 1.32 | 0.1 | 1630 | 66 |
| world book encyclopedia 1958 | 0.81 | 0.3 | 1660 | 27 |
| world book encyclopedia 1959 | 1.62 | 0.7 | 3439 | 75 |
