Region
United States
17
Great Britain
5
Pennsylvania
5
Europe
2
Europe, Eastern
2
États-Unis
2
Paris
2
Vienna
2
Algiers
1
America
1
Atlantic Intracoastal Waterway
1
Austria
1
Baltic States
1
Etats-Unis
1
France
1
Hungary
1
New Jersey
1
North America
1
Pennyslvannia
1
Philadelphia
1
Saint Lawrence River
1
Soviet Union
1
Washington (State)
1