| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| colorado newspaper historic collection | 0.29 | 0.8 | 1634 | 9 | 38 |
| colorado | 0.37 | 0.8 | 9242 | 73 | 8 |
| newspaper | 0.54 | 0.3 | 4733 | 20 | 9 |
| historic | 1.52 | 0.5 | 3927 | 45 | 8 |
| collection | 1.09 | 0.1 | 1254 | 14 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| colorado newspaper historic collection | 0.07 | 0.7 | 5885 | 98 |
| colorado historic newspaper archive | 1.75 | 0.6 | 9033 | 61 |
| colorado historic newspapers online | 0.4 | 0.3 | 5595 | 54 |
| colorado historical newspapers online | 1.02 | 0.7 | 2416 | 11 |
| history colorado online collection | 0.91 | 0.6 | 5386 | 27 |
| history colorado photo collection | 0.52 | 0.6 | 9594 | 64 |
| colorado historical society archives | 0.91 | 0.8 | 9238 | 80 |
| history colorado digital collections | 0.86 | 0.2 | 9452 | 56 |
| colorado newspaper archives 1859 1978 | 0.13 | 0.9 | 1509 | 54 |
| colorado historical society photos | 1.02 | 0.8 | 221 | 89 |
| old colorado newspapers online | 0.4 | 1 | 7765 | 66 |
| colorado newspaper archives free search | 1.26 | 0.9 | 8998 | 15 |
| today in colorado history | 0.3 | 0.3 | 5805 | 31 |
| old colorado historical society | 0.42 | 0.2 | 4041 | 56 |
| history colorado online exhibits | 1.24 | 0.1 | 9778 | 90 |
| colorado historical society library denver co | 0.41 | 0.6 | 1048 | 9 |
| denver colorado historical society | 0.12 | 0.4 | 646 | 52 |
| colorado historical society library | 0.53 | 0.2 | 9046 | 91 |
| historical society of colorado | 1.1 | 0.9 | 85 | 48 |
