Tucker, Joan S., Howard S. Friedman, Deborah L. Wingard, and Joseph E. Schwartz. “Marital History at Midlife as a Predictor of Longevity: Alternative Explanations to the Protective Effect of Marriage.” Health Psychology 15 (1996): 94-101.

Umberson, Debra, Camille B. Wortman, and Ronald C. Kessler. “Widowhood and Depression: Explaining Long-Term Gender Differences in Vulnerability.” Journal of Health and Social Behavior 33 (1992): 10–24.

UnmarriedAmerica, “Some Laws Affecting Single People,” July 20, 2005. http://www.unmarriedamerica.org/laws-affecting.html

USAToday.com, “Bush Works to Make His Ranch Less ‘Jungle-y,’” August 25, 2001. http://www.usatoday.com/news/washington/august01/2001-08-25-ranch.htm.

U. S. Census Bureau. “All Parent/Child Situations, by Type, Race, and Hispanic Origin of Householder or Reference Person: 1970 to Present.” Table FM-2. Current Population Survey, 2003. Annual Social and Economic Supplement. Internet release date: September 15, 2004.

U. S. Census Bureau. “America’s Families and Living Arrangements: 2003.” Current Population Survey, P20-553, issued November 2004.

U. S. Census Bureau. “Current Population Survey, 2003. Annual Social and Economic Supplement.” Internet release date: September 15, 2004.

U. S. Census Bureau. “Current Population Survey, 2004. Annual Social and Economic Supplement.” Internet release date: June 29, 2005.

U. S. Census Bureau. “Homeownership Rates for the United States, by Age of Householder and by Family Status: 1982 to 2001.” Table 15. Annual Statistics 2001, Housing and Household Economic Statistics Division. http://www.census.gov/hhes/www/hous-ing/hvs/annual01/ann01t15.html.

U. S. Census Bureau. “Estimated Median Age at First Marriage, by Sex: 1890 to Present.” Table MS-2. Internet release date: September 15, 2004. http://www.census.gov/ population/socdemo/hh-fam/tabMS-2.pdf

U. S. Census Bureau. “Facts for Features: Mother’s Day.” April 19, 2004. http://www.cen-sus.gov/Press-Release/www/2004/cb04-ff08.pdf

U. S. Census Bureau. “Facts for Features: Women’s History Month (March).” February 22, 2005. http://www.census.gov/Press-Release/www/releases/archives/cb05-ff.04.pdf

U. S. Census Bureau. “Mini-Historical Statistics.” No. HS- 11. Marital status of the population by sex: 1900 to 2002. Statistical Abstract of the United States: 2003.

U. S. Commission on Civil Rights, “Mission.” http://www.usccr.gov/about/mission.htm, accessed June 1, 2005.