Allegheny Institute for Public Policy - formulates and promotes conservative public policies at the local government level.
http://www.alleghenyinstitute.org/

Graph: Projected Racial Makeup of the United States, Assuming Moderate Immigration.
http://www.lraonline.org/immigration/sld010.htm

Immigration and the changing face of the U.S. working class.
http://www.lraonline.org/immigration

Center on Urban and Metropolitan Policy: Report on racial dynamics at Detroit work place.
http://www.brookings.edu/dybdocroot/es/urban/publications/allard.pdf
http://www.brookings.edu/es/urban/publications/allardexsum.htm