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Donor
- Laylin, John G. (John Gallup), 1902- 17
Topic
- Laylin, John G. (John Gallup), 1902- 17
- Water-supply 17
- Politics and government 13
- Amini, Ali 2
- Tipton, R. J. (Royce J.), 1893- 1
Region
- Afghanistan 15
- Iran 15
- Egypt 1
- Iraq 1
- Turkey 1
- United Kingdom 1