1. Joint Center for Housing Studies of Harvard University 2006 The state of the nation's housing http://www.jchs.harvard.edu/publications/markets/son2006/son2006.pdf
2. US Department of Housing and Urban Development Affordable housing needs 2005: a report to Congress 2007 http://www.huduser.org/intercept.asp?loc=/Publications/pdf/AffHsgNeeds.pdf
3. Millennial Housing Commission Meeting our nation's housing challenges: a report of the Bipartisan Millennial Housing Commission appointed by the Congress of the United States 2002 http://govinfo.library.unt.edu/mhc/MHCReport.pdf
4. NAACP and National Association of Home Builders Building on a dream 2006 http://www.nahb.org/fileUpload_details.aspx?contentTypeID=7&contentID=2858