Subject
- City planning2
- Ethnic groups2
- Forests and forestry2
- Geomagnetism2
- Geomorphology2
- Magnetic anomalies2
- Occupied territories2
- Phytogeography2
- Population2
- Precipitation (Meteorology)2
- Rain and rainfall2
- Rivers2
- Systems and standards2
- Time2
- World War, 1914-19182
- World maps, Physical2
- Airways1
- Anomalies magnétiques1
- Azimuthal projection (Cartography)1
- Beaches1
