Here in eight superbly organized volumes is the definitive guide to every area of psychological theory, research, and practice. The product of a unique collaboration between the American Psychological Association and Oxford University Press, the Encylopedia of Psychology is a state-of-the-art synthesis of classic and contemporary knowledge. More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.