Subject
- Bilateral agreements[remove]7
- Frontiers3
- Customs administration2
- Bilateral relations1
- Bon voisinage agreements1
- Border disputes1
- Communication methods1
- Compensation1
- Deportation1
- Foreign relations1
- Indo-European Telegraph Line1
- International relations1
- Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca1
- Postal services1
- Rebellions1
- Refugees1
- Slave trade1
- Slavery1
- Telegraphs1
- War (concept)1