Subject
- Wireless telegraphy[remove]45
- Post offices5
- Mail carriers2
- Second World War (1939-1945)2
- Air raid precautions1
- Arab Revolt (1916-1918)1
- Battles1
- Camels1
- Censorship1
- Ciphers1
- Defence1
- Doctors1
- Embassies and consulates1
- Hospital ships1
- Machine guns1
- Medical supplies1
- Military exercises1
- Muslim pilgrims and pilgrimages1
- Naval bases1
- Supplies1