Subject
- Greece2
- Natural gas2
- Petroleum2
- Power resources2
- Travel2
- World War, 1914-19182
- Bibliography1
- Christianity1
- Civilization, Christian1
- Classical geography1
- Dams1
- Dioceses1
- Discovery and exploration1
- Ecclesiastical geography1
- Ecological regions1
- Economic conditions1
- Israel-Arab War, 19671
- Landforms1
- Middle East1
- Natural gas pipelines1
