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1851-1900
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Historical
1851-1900
1901-1950
1951-2000
2001-2050
Forum
Exhibitions of 1951-2000
Brussels 1958
Seattle 1962
New York 1964-1965
Montreal 1967
Osaka 1970
Vancouver 1986
Seville 1992
Lisbon 1998
Hanover 2000
