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illegal aliens
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1940 - 1976
1977 - 1982
1983 - 1985
1986 - 2005
2006 - 2008
English (2012)
undocumented workers
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1940 - 1979
1980 - 1981
1982 - 1994
1995 - 2005
2006 - 2008
English (2012)
undocumented immigrants
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1940 - 1984
1985 - 2002
2003 - 2004
2005 - 2006
2007 - 2008
English (2012)