COVENTRY (1955), OFFENBACH (1956), PUTEAUX (1956), BORDEAUX (1957), TURIN (1957), LA HAYE (1958), VIENNE (1958), ISTAMBOUL (1959), AARHUS (1960), BRUGES (1960), RHODES (1961), SCHWARZENBEK (1961), PALERME (1962), AUBENAS (1963), INNSBRUCK (1964), TÜBINGEN (1965), KRISTIANSAND (1966), STRASBOURG (1967), FAENZA (1968), KARLSRUHE (1969), NANCY (1969), SIERRE (1970), UDINE (1971), ZELZATE (1972), WÜRZBOURG (1973), CESENATICO (1974), MÂCON (1974), DARMSTADT (1975), DEVON COUNTY COUNCIL (1976), AVIGNON (1977), TUBIZE (1978), GRAZ (1979), PASSAU (1980), BRAUNFELS (1981), BRAINE-L'ALLEUD (1982), LAUSANNE (1983), ROYAL LEAMINGTON SPA (1984), SAINT JACQUES DE COMPOSTELLE (1985), ARNHEM (1986), KLAGENFURT (1986), BERLIN-NEUKÖLLN (1987), AALBORG (1988), LUCQUES (1989), PLOUGUERNEAU (1990), BURSA (1991), DELFZIJL (1992), BOCHOLT(1993), MULHEIM AN DER RUHR (1993), LINZ (1994), BOLOGNE (1995), WANSBECK DISTRICT COUNCIL (1996), RATISBONNE (1997), CZESTOCHOWA (1998), SPIRE (1999), COCKERMOUTH (2000), MARVEJOLS (2000), SANKT PÖLTEN (2001), GDYNIA (2002), KLAIPEDA (2003), OUDENAARDE (2004), KALININGRAD (2005)