Region
Basel
1
Belarus
1
Berlin
2
Brazil
1
Czech Republic
1
Education and state
1
England
1
Europe
1
Europe, Eastern
1
Exhibitions
1
États-Unis
1
Finland
1
Former Soviet republics
3
Germany
4
Germany (East)
1
Germany (West)
1
Hannover
1
Hungary
2
Italie
1
Italy
2
Latin America
3
Moscow
1
Netherlands
3
New York
3
New York (État)
2
New York (State)
3
Poland
6
Riehen
1
Russia
7
Russia (Federation)
29
Russian S.F.S.R
1
Russian S.F.S.R.
1
Russie
5
São Paulo
1
Soviet Union
34
Sowjetunion
2
Sweden
1
Switzerland
5
U.R.S.S.
1
URSS
4
United States
2
Vitsebsk
1
Zurich
1