Region
Africa, Sub-Saharan
2
Arab countries
2
Balkan Peninsula
1
Belgium
2
Canada
2
Chicago
1
China
1
England
2
Europe
1
France
2
Germany
1
Great Britain
14
Hungary
1
Illinois
1
Leiden
1
Massachusetts
1
Netherlands
1
New Mexico
2
New York (State)
3
Nigeria
1
Québec (Province)
1
Scandinavia
1
Setauket
3
States
1
Sub-Saharan Africa
1
United States
242