Subject
- Telegraphs[remove]13
- Diplomacy5
- Telegraph lines5
- Foreign affairs2
- Surveys2
- Telegraph poles2
- Abyssinian Expedition (1867-1868)1
- Anglo-Persian War (1856-1857)1
- Armistices1
- Bilateral agreements1
- Coaling-stations1
- Codes1
- Colonial administration1
- Communication methods1
- Conventions1
- Ethnic conflicts1
- Expenditure1
- Famines1
- Frontiers1
- Indo-European Telegraph Line1