Düsseldorf, 1886 - 1964, Munich

Siegen, Germany, 1931 - 2007, Rostock, Germany

Potsdam, Germany, 1934 - 2015, Düsseldorf, Germany

Geldern, Germany, 1954 -

Weil am Rhine, Germany, 1950 -

Dusseldorf, Germany, 1938 -

Halle, Germany, 1962 -

Deutschbaselitz, Saxony, Germany, 1938 -

Wurtzburg, Germany, 1888 - 1963

Hamburg, Germany, 1963 -

Gribbohm, Germany, 1965 -

Bleckede, Germany, 1945 - 2007, Düsseldorf, Germany