Geographic Subject
Germany
19
Germany (West)
5
Korea (South)
2
Turkey
2
Africa South of the Sahara
1
Africa, Sub-Saharan
1
Africa, West
1
Amazon River Region
1
Austria
1
Bavarian Forest
1
Brazil
1
Chemnitz
1
Czechów (Powiat Lubelski)
1
Developing countries
1
Europe, Central
1
European Economic Community
1
Greece
1
Heidelberg
1
Hesse
1
Hesse (Grand duchy)
1
Hesse-Büdingen
1
Hungary
1
Inster Valley
1
Kenya
1
Limburg (Landkreis)
1
Lüchow-Dannenberg
1
Lüneburg (Landkreis)
1
Medjerda Valley
1
Poland
1
Prussia
1
Saarland
1
Samoa
1
Saxony
1
Siegen (Germany)
1
Silesia
1
Syria
1
Togo
1
Wiedenbrück
1