| Consultes | |
|---|---|
| Edwin Chadwick : report on the sanitary condition of the labouring population of Great Britain, 1842 | 28 |
| Edwin Chadwick : report on the sanitary condition of the labouring population of Great Britain, 1842 |
| Consultes | |
|---|---|
| Estats Units | 17 |
| Suècia | 11 |
| Consultes | |
|---|---|
| Boardman | 1 |