| Prothero, G. W. (Ed.) |
18 |
| Froude, James Anthony |
16 |
| Great Britain. Parliament |
15 |
| Carlyle, Thomas |
13 |
| Guizot, M. |
13 |
| Lecky, William Edward Hartpole |
13 |
| Macaulay, Lord |
13 |
| Burton, John Hill |
12 |
| Acton, Lord |
11 |
| Finlay, George |
11 |
| Gardiner, Samuel Rawson |
11 |
| The Times |
11 |
| Hume, David |
10 |