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- Plague -- prevention & control[remove]61
- San Francisco25
- United States. Public Health and Marine Hospital Service22
- Communicable Disease Control17
- Rodent Control16
- United States. Public Health Service13
- Health Personnel4
- Laboratory Personnel4
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- Dissection2
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- Plague -- therapy2
- Quarantine2
- Alchemy1
- Anniversaries and Special Events1
- Austria1
- California1
- Carter, Henry Rose, 1852-19251
- China1
- Cholera -- prevention & control1