The 2008 Annual Homeless Assessment Report to Congress
http://www.hudhre.info/documents/4thHomelessAssessmentReport.pdf
The fourth in a series of annual reports about homelessness in the U.S. and the first to provide year-to-year trend information that explores changes in the patterns of homelessness over time. Estimates there were 664,000 homeless persons in and outside shelters in January 2008. From the Department of Housing and Urban Development.
