| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| prisons in the 1800s america | 1.01 | 0.6 | 5974 | 53 |
| american prisons in the 1800s | 1.86 | 0.3 | 3484 | 59 |
| what were prisons like in the 1800s | 1.15 | 1 | 792 | 40 |
| prison reform in the 1800s in america | 0.34 | 0.6 | 802 | 42 |
| prison life in the 1800s | 1.19 | 0.1 | 8107 | 61 |
| prison conditions in the 1800s | 1.48 | 0.6 | 6552 | 95 |
| overcrowded prisons in the 1800s | 1.52 | 1 | 3880 | 32 |
| the history of prisons in america | 1.29 | 0.9 | 8807 | 27 |
| prisons in the 1900s | 1.01 | 0.2 | 8617 | 80 |
| prisons in the 18th century | 0.12 | 0.5 | 152 | 49 |
| prison reform in the 1800s | 0.72 | 0.9 | 5420 | 36 |
| what was jail like in the 1800 | 1.32 | 0.4 | 2396 | 92 |
| history of prisons in the us | 1.1 | 0.7 | 1326 | 99 |
| history of prisons in the united states | 1.88 | 0.3 | 4126 | 66 |
| inmates from the 1800 | 0.31 | 0.4 | 9192 | 59 |
| old prisons in the us | 1.03 | 0.8 | 1928 | 33 |
| prison history in america | 1.44 | 0.9 | 901 | 98 |
| prison in the 1700s | 1.44 | 0.1 | 7638 | 9 |
| the history of american prisons | 1.9 | 0.3 | 771 | 72 |
