Subject
- Distances, etc1
- Drainage1
- Electric power distribution1
- Electric power transmission1
- Electric power-plants1
- Europe1
- Exports1
- Food industry and trade1
- Food supply1
- Geomorphology1
- Glass manufacture1
- Gnomonic projection (Cartography)1
- Health resorts1
- Highway departments1
- History1
- Inland navigation1
- Irrigation1
- Land use, Rural1
- Land use, Urban1
- Landforms1
