Region
20th century
2
Africa
1
Africa --
1
Asia, Central
1
Asia, Southeastern
1
Asia, Southeastern --
1
Atlanta
1
Australia
2
Australia --
1
Beirut (Lebanon) --
1
Bellingham Region (Wahsington) --
1
Berkeley
1
Bosnia and Hercegovina
1
Bosnia and Hercegovina --
1
Britain
1
California --
1
Canada
2
Cevennes Mountains Region
1
Cevennes Mountains Region (France) --
1
Charles County (Md.) --
1
Chechnia (Russia) --
1
China
4
China --
1
Chinese --
1
Colorado
1
Cv̌ennes Mountains Region (France)
1
Developing countries
1
England
9
England --
3
Europe
5
Europe --
3
Europe, Eastern --
1
France
4
France --
6
Gaul --
1
Georgia --
1
Germany
3
Germany --
5
Great Britain
26
Great Britain --
11
Great Britain\xCase studies
1
GreatBritain
1
Greece
1
Greece --
2
Highlands (Scotland) --
1
India --
1
Iraq
1
Ireland
1
Italy
2
Italy --
1
more ...