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Donor
- Laylin, John G. (John Gallup), 1902- 89
Topic
- Water-supply 41
- Politics and government 36
- Laylin, John G. (John Gallup), 1902- 19
- Irrigation 12
- Agriculture 6
- Treaties 6
- Dams 5
- Canals 4
- Amini, Ali 3
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Work Type
- documents 89
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- International Development Research Centre (Canada) 2
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- Methuen Publishing Ltd. 1
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