• 5 Journals, Magazines, Newspapers

• 3 Communicable Diseases
• 3 Congresses
• 3 Public Health
• 3 congresses
• 1 Sanitary affairs

• 3 Pan American Health Organization
• 3 Pan American Health Organization. Meeting
• 3 Pan American Sanitary Conference
• 1 Pan American Health Organization. Executive Committee. Meeting
• 1 Pan American Sanitary Bureau

• 4 English
• 3 Spanish
• 1 French
• 1 Portuguese

• 4 America

• 1 Congresses
• 1 Periodicals

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