This two-volume reference on psychology examines the contemporary landscape of all the key theories and theorists, presenting them in the context needed to understand their strengths and weaknesses. It includes approximately 300 signed entries along with a chronology of theory within the field of psychology, a Master Bibliography, and an annotated Resource Guide to classic books in this field, journals, associations, and their websites. It is an exceptional and scholarly source for researching the theory of psychology, making it a must-have reference for all academic libraries.