Geographic Subject
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Essen
2
Hamburg (Germany)
2
India
2
Indonesia
2
Ireland
2
Israel
2
Koblenz (Germany : Regierungsbezirk)
2
Koblenz (Regierungsbezirk)
2
Korea (South)
2
Latin America
2
Liechtenstein
2
Lorraine
2
Lucerne (Switzerland : Canton)
2
Lübeck (Germany)
2
Namibia
2
Poland
2
Rheinbund
2
Saxony
2
Soest (Germany)
2
Solothurn (Switzerland : Canton)
2
South Africa
2
Suez Canal (Egypt)
2
Sweden
2
Ulm (Germany)
2
Venice (Italy)
2
Vietnam
2
Württemberg
2
Württemberg (Germany)
2
Zimbabwe
2
Zurich
2
Zurich (Switzerland : Canton)
2
2
1
4.660
1
5.500
1
6.140
1
7.150
1
Aachen (Germany)
1
Affoltern bei Zürich (Switzerland)
1
Africa, Central
1
Africa, Sub-Saharan
1
Africa, West
1
Allemagne
1
Allemagne (Ouest)
1
Allemagne (République fédérale)
1
Alsace-Lorraine
1
American Republics
1
Appenzell (Switzerland : Canton)
1
Arab countries
1
Arctic regions
1
Argentina
1
more ...