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- Author(s):
- United States. War Department, author.
- Publication:
- Washington : U.S. Government Printing Office, August 1945
- Subject(s):
- Water Purification
Water Supply
Military Hygiene
United States
- Publication:
- [Portugal] : Direcção-Geral de Saúde, Serviço de Educação Sanitária, [19--]
- Subject(s):
- Water Purification
Disease Transmission, Infectious -- prevention & control
Hygiene
Sanitation
- Author(s):
- Illinois State Water Survey, author, issuing body.
- Publication:
- Urbana, Illinois : State of Illinois, Department of Registration and Education, Division of the State Water Survey, [1923]
- Subject(s):
- Sewage
Water Purification
Illinois
- Publication:
- [São Paulo] : Comissão Estadual de Prevenção e Combate ao Cólera, [19--]
- Subject(s):
- Cholera -- prevention & control
Food Handling -- methods
Hand Disinfection
Water Purification
