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- Author(s):
- Ruiz, Luis E., 1857-1914
- Publication:
- México : Imprenta de Jens y Zapiain, 1878
- Subject(s):
- Hygiene -- education
- Author(s):
- Cook, W. C. (William Cowden), 1840- author
- Publication:
- Nashville : The Brandon Printing Company, 1887
- Subject(s):
- Hygiene -- education
Universities
Schools
- Author(s):
- Billings, John S. (John Shaw), 1838-1913, author
- Publication:
- Boston : Damrell & Upham, 1894
- Subject(s):
- Hygiene -- education
Communicable Diseases