University of Pennsylvania. Bicentennial Conference.

• Religion and the modern world
• Studies in the history of science
• Chemical kinetics and natural products
• Chemotherapy
• Conservation of renewable natural resources
• Cytology, genetics, and evolution
• Dental caries
• Engineering progress and the social order
• Fluid mechanics and statistical methods in engineering
• Latin America in world affairs, 1914-1940
• Modern aspects of the antituberculosis program
• Modern psychology