Geographic Subject
Germany (West)
62
Germany
54
France
10
4.415
8
European Economic Community countries
8
Europe
7
Great Britain
7
Cologne
6
Deutschland
6
United States
6
Germany, West
4
Netherlands
4
Turkey
4
Belgium
3
Egypt
3
Greece
3
Ireland
3
Italy
3
Japan
3
North Rhine-Westphalia
3
Peru
3
Rome
3
Spain
3
4
2
Bonn
2
Cologne (Germany)
2
Florence
2
Germany, East
2
Portugal
2
Prussia (Germany)
2
Rhine River Valley
2
Romania
2
Soviet Union
2
Switzerland
2
Thailand
2
Vietnam
2
2
1
4.210
1
4.240
1
4.460
1
4.660
1
4.890
1
5.235
1
5.380
1
6.140
1
8.010
1
Aachen (Germany : Landkreis)
1
Aachen (Landkreis)
1
Africa, Central
1
Africa, Sub-Saharan
1
more ...