Other
Arizona Kids Net: The Consumer Demand Curve
This site goes into detail about the consumer demand curve and its functions. Colorful graphs are provided to make understanding real-life situations and examples easier.
Wikimedia
Wikipedia: Supply and Demand
Provides a full and in-depth description of the theories of supply and demand.
Texas Education Agency
Texas Gateway: Ap Macroeconomics: Chapter 3: Demand and Supply: Key Terms
This is a list of terms and definitions used in Chapter 3: Demand and Supply from the TEA AP Macroeconomics online text.