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Bryant, P. (1999). Biodiversity and conservation. Retrieved October 4, 1999, from

http://darwin.bio.uci.edu/~sustain/bio65/Titlpage.htm

Bell, S. H. & Gallagher, L. J. (2001, February). Prime-age adults without children or disabilities: The

“least deserving of the poor”—or are they? Retrieved April 20, 2001, from Assessing the New

Federalism: an Urban Institute Project Web site: http://newfederalism.urban.org/html/series_b/b26/

b26.html

Pellegrino, J. (n.d.). Seamus Heaney. Retrieved October 4, 1999, from the Internet Poetry Archive Web

site: http://www.ibiblio.org/ipa/heaney/heaney.bio.html