Source of Images and Family Descriptions
Material World: A Global Family Portrait by Peter Menzel. San
Francisco: Sierra Club Books, 1994
Sources of Country Statistics
Population Reference Bureau's
2003 World Population Data Sheet
United Nations Population Division's
World Population Prospects: The 2002 Revision and
World Urbanization Prospects: The 2001 Revision
The Central Intelligence Agency's World Factbook 2003, an
online atlas containing current political, demographic, and cultural
information
The Population and Development Database, an online resource
produced in 1998 by Population Concern
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