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- War victims 2
- War victims-Chile 1
- War victims-El Salvador 39
- War victims-El Salvador-1982 4
- War victims-El Salvador-1983 3
- War victims-El Salvador-1984 1
- War-Central America 1
- War-Economic aspects 3
- War-Economic aspects-El Salvador 3
- War-Economic aspects-El Salvador-1983 1
- War-Relief of sick and wounded-El Salvador 1
- Warfare-El Salvador 54
- Warfare-Spain 1
- Washington, George, 1732-1799 5
- Washington, Mary Ball, 1708-1789 1
- Waste 1
- Waste collection and trasportation-El Salvador 1
- Waste products as fuel 1
- Waste treatment-El Salvador 2
- Waste treatment-El Salvador-Santa Ana 1