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Start Over Collections Images from the History of Medicine (IHM) ✖Remove constraint Collections: Images from the History of Medicine (IHM) Subjects Sanitary Engineering -- manpower ✖Remove constraint Subjects: Sanitary Engineering -- manpower Titles [Sanitary engineers in the Public Health Service during World War II] ✖Remove constraint Titles: [Sanitary engineers in the Public Health Service during World War II]

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