Subject
- Quarantine[remove]20
- Cholera3
- Plague3
- Bilateral relations2
- Disease control2
- Epidemics2
- Infectious diseases2
- Malaria2
- Medical personnel2
- Passports2
- Sanitation2
- Vaccination programmes2
- Air services agreements1
- Colonial administration1
- Concessions1
- First World War (1914-1918)1
- Harbours1
- Intelligence1
- Legislation1
- Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca1