New York, NY, 1959 -

San Mateo, California, 1923 - 1994, Santa Monica, California

Pöchlarn, Austria, 1886 - 1980, Montreux

Vienna, 1890 - 1974, London

Youngstown, OH, 1941 - 2007, Nyack, NY

Vienna, 1842 - 1892, Westerland auf Sylt, Germany

Geldern, Germany, 1954 -

Tlatlauquitepec, Puebla, Mexico, 1959 -

Madrid, Spain, 1953 - 2001, Ibiza, Spain

Vienna, 1828 - 1889, Paris

1947 -

Stockholm, Sweden, 1929 -

Vienna, 1890 - 1969, Vienna

Weil am Rhine, Germany, 1950 -

Detroit, Michigan, 1944 - 2016, Poughkeepsie, New York

Elizabeth, New Jersey, 1948 -

New York, NY, 1903 - 1974, Easthampton, NY

Dusseldorf, Germany, 1938 -

Havana, Cuba, 1963 -

Halle, Germany, 1962 -

Anyang City, China, 1965 -

Orani, Sardinia, 1911 - 1988

Deutschbaselitz, Saxony, Germany, 1938 -