Here are a few key links from this section:

Section 8 Info from New York City www.nyc.gov/html/hpd/html/tenants/section_8.shtml

Affordable housing information for New York City www.nyc.gov/html/housinginfo/html/home/home.shtml

Center for Urban and Community Services www.cucs.org
Go to the section on Housing and Services

New York City Housing Authority www.nyc.gov/nycha