The social construction of difference and inequality :race, class, gender, and sexuality

 Ore, Tracy E.;

Boston : : McGraw-Hill , 2006

Century of difference :how America changed in the last one hundred years

 Fischer, Claude S.,; Hout, Michael.;

New York : : Russell Sage Foundation, , 2006

Journey into America :the challenge of Islam

 Ahmed, Akbar S.;

Washington, D.C. : Brookings Institution Press , 2010