Region
Africa
2
Amsterdam
2
Argentina
1
Bibliography
1
Brazil
1
Czech Republic
1
Developing countries
1
Europe
1
France
3
Germany
2
Great Britain
2
Ireland
1
Italy
3
Latin America
2
Lower Saxony (Germany)
1
Mexico
1
Netherlands
2
New Spain
1
New York
1
Peru
1
Pistoia
1
Poland
1
Portugal
1
Santiago (Dominican Republic : Province)
2
South Africa
1
South America
1
United States
12