Author
Interim Commission of the World Health Organization
1
Interim Commission of the World Health Organization. Epidemiological Information Service
1
Interim Commission of the World Health Organization. Sanitary Conventions and Quarantine Service
1
League of Nations. Secretariat. Health Section
1
United Nations. Economic and Social Council
1
World Health Organization
1
World Health Organization. Epidemiological Surveillance and Quarantine Service
1
World Health Organization. Epidemiological Surveillance and Quarantine Unit
1
World Health Organization. Epidemiological Surveillance of Communicable Diseases
1
World Health Organization. International Quarantine
1
World Health Organization. International Quarantine Service
1
World Health Organization. Quarantine Service
1
World Health Organization. Sanitary Conventions and Quarantine Section
1
World Health Organization. Sanitary Conventions and Quarantine Service
1
World Health Organization. Section of International Quarantine
1