Participation and mobilization of ethnic minorities in municipal elections in Amsterdam in 1985 and 1986. P0783a: Dutch and foreign voters and non-voters in March 1986 municipal elections: exposure to political information / sufficiency of information / sense of political efficacy / voting behaviour ( voters only ). P0783b: Small in depth evaluation survey of 155 foreigners: exposure to information on right to vote for foreigners / discussions about elections / self-rating being informed / sources of political information / party membership / effectiveness of various political actions / reasons for ( non- ) voting / neighbourhood / contacts with Dutch / level of fluency in Dutch / employment. P0783c: Pilot survey municipal district elections ( stadsdeelraadverkiezingen ) october 1985: voting behaviour / sources of information about elections. Background variables: basic characteristics/ place of birth/ politics