Safe disposal of human excreta at unsewered homes / by L. L. Lumsden, C. W. Stiles, and A. W. Freeman.
- United States. Public Health Service.
- Date:
- 1915
Licence: In copyright
Credit: Safe disposal of human excreta at unsewered homes / by L. L. Lumsden, C. W. Stiles, and A. W. Freeman. Source: Wellcome Collection.
Provider: This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.
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