Bronnen
Websites:
‘Demographics of Washington, D.C.'
Immigration Act of 1924
‘Escape from Los Angeles: White Flight from Los Angeles and its Schools, 1960-1980’
‘Great Migration’
‘U.S. Immigration Since 1965’
Video's:
‘How the 1965 Immigration Act Changed America’
‘Why African-Americans left the south, in droves – and what’s bringing them back’