1. Black male-female relationships: Some observations;Aborampah;Journal of Black Studies,1989
2. Comparative perspectives on Black family life: Uncommon explorations of a common subject;Allen;Journal of Comparative Studies,1998
3. American Fact Finder 2011 American community survey 5-year estimates http://factfinder.census.gov/
4. American Fact Finder 2012 Sex by age (Black or African American alone) universe: People who are Black or African American alone 2010 American community survey 1-year estimates http://factfinder2.census.gov/