Subject
- Surveys[remove]58
- Military intelligence9
- Imperialism7
- Babylon (extinct city)4
- Trade (practice)4
- Archaeology3
- Bilateral agreements3
- Diplomacy3
- Frontiers3
- Maps3
- Roads3
- Air force2
- Architectural drawings2
- Armed forces2
- Bilateral relations2
- Concessions2
- Euphrates Expedition (1835-1837)2
- Indo-European Telegraph Line2
- Napoleonic Wars (1800-1815)2
- Reports2