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Subject (Region)
- 1
- Aachen (Germany : Landkreis)1
- Aachen (Landkreis)1
- Africa30
- Africa, East2
- Africa, French-speaking1
- Africa, French-speaking West1
- Africa, North1
- Africa, Southern6
- Africa, Sub-Saharan5
- Afrique1
- Alabama1
- Alaska11
- Alaska Maritime National Wildlife Refuge (Alaska)2
- Albania2
- Alberta1
- Alberta, Northern1
- Algeria2
- Alps Region2
- Amami Ōshima1