1. New York city, New York-Population and Housing Narrative Profile: 2005–2009http://factfinder.census.gov/servlet/NPTable?_bm=y&-geo_id=16000US3651000&-qr_name=ACS_2009_5YR_G00_NP01&-ds_name=&-redoLog =false
2. http://www.toronto.ca/demographics/pdf3/all_toronto.pdf
3. Columbus city, Ohio Population and Housing Narrative Profile: 2005-2009http://factfinder.census.gov/servlet/NPTable?_bm=y&-geo_id=16000US3918000&-qr_name=ACS_2009_5YR_G00_NP01&-ds_name=&-redoLog =false
4. Land-Lords Law;Meriton,1979
5. Tenants and the American Dream: Ideology and the Tenant Movement;Heskin,1983