Region
Europe
Great Britain
France
10
Germany
6
United States
5
Netherlands
3
Africa, North
2
Canada
2
Grande-Bretagne
2
Mediterranean Sea
2
Pennsylvania
2
Africa
1
America
1
Asia
1
British Isles
1
Central America
1
Conococheague Creek Region (Pa.)
1
Denmark
1
États-Unis
1
Finland
1
Iceland
1
Maryland
1
Mexico
1
Norway
1
Oceania
1
Pennsylvanie
1
Philadelphia
1
Russia
1
South America
1
Spain
1
Sweden
1
T
1
Wales
1