Geldern, Germany, 1954 -

National City, California, 1931 - 2020, Venice, California

Dresden, Germany, 1932 -

Füssen, Germany, 1952 - 2013, Freiburg, Germany

Piraeus, Greece, 1936 - 2017, Rome, Italy

1932 - 2004

Nice, France, 1961 -

Johannesburg, South Africa, 1955 -

Concord, MA, 1958 -

Suffolk, England, 1930 - 1993

b. 1955, Newark, New Jersey; d. 2023, Chicago, Illinois

Düsseldorf, 1886 - 1964, Munich