The Cambridge History of Science. Volume 6. The Modern Biological and Earth Sciences
Science, Technology and Society
Buescher, Derek, "Educational Convergences: The Potential Relationships Between Parliamentary and Policy Debate Communities", in "Navigating opportunity policy debate in the 21st century : Wake Forest National Debate Conference." New York: International Debate Education Association. Harvard (18th ed.), National Developmental Debate Conference, and Allan D. Louden. 2010.