1. ACS (American Community Survey) 2006 Columbus, OH Metropolitan Statistical Area, American Community Survey http://factfinder.census.gov/servlet/ADPTable?_bm=y&-geo_id = 31000US18140&-qr_name=ACS_2006_EST_G00_DP5&-context=adp&-ds_name=&-tree_id = 306&-_lang=en&-redoLog=false&-format=
2. The emergence of new Hispanic settlement patterns of Appalachia;Barcus;Professional Geographer,2007