Food and Agriculture Organization.  1995.  Dimensions of need:  An atlas of food and agriculture.  London:  Banson.

Population Reference Bureau.  1996.  World population data sheet.  Washington, DC:   Population Reference Bureau.

Population Reference Bureau.  Annual publications catalog.  For information on publications, contact them at Circulation Department, Population Reference Bureau, PO Box 96152, Washington, DC 20090-6152, or look for their homepage on the Internet.

Smallman-Raynor, Matthew, Andrew Cliff, and Peter Haggett.  1992.  Atlas of AIDS.   Cambridge, MA:  Blackwell Publishers.

United Nations Environment Program.  1993.  Environmental data report 1993-94.  Oxford:   Blackwell Publishers.

US Bureau of the Census.  1994.  Trends and patterns of HIV/AIDS infection in selected  developing countries.  Washington, DC:  US Bureau of the Census, Population Division.

US Department of Health and Human Services.  1994.  Vital statistics of the United States  1990.   Volume II, Mortality, Part B.  Hyattsville, MD:  US Department of Health and Human  Services, Centers for Disease Control, and National Center for Health Statistics.

See also Appendix C.