Pictures:

http://www.worldproutassembly.org/images/homelessness-america.jpg

http://newsimg.bbc.co.uk/media/images/42455000/jpg/_42455929_child_416afp.jpg

http://www.walkinghome.ca/images/Homeless-Streets.jpg

Quote:
http://www.enotes.com/famous-quotes/you-scour-the-bowery-ransack-the-bronx-through

Websites:

http://www.gradebook.org/Poverty.htm

http://www.nationalhomeless.org/publications/facts/How_Many.pdf

http://www.hud.gov/homeless/index.cfm

http://www.nationalhomeless.org/publications/facts.html

http://www.policyalmanac.org/social_welfare/homeless.shtml