| Views | |
|---|---|
| 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 |
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| United States | 17 |
| Sweden | 11 |
| Views | |
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| Boardman | 1 |