Talcott Parsons needs little introduction to anyone acquainted with the literature of sociology. Few men have dominated their fields so much as Dr. Parsons does his. In this collection of nineteen essays, Dr. Parsons focuses his attention on subjects ranging from the social structure of Japan to propaganda and social control, from sociological aspects of Fascist movements to the place of psychoanalysis in society. Also dealt with are such topics as: The role of ideas in social action, the motivation of economic activities, American social structure, social classes and class conflict, and the prospects for contemporary sociological theory. The whole body of essays presented here belongs in the broad field of "application" of sociological theory. It stands in the line of scientific development of the most advanced techniques for sociological investigation and evaluation of data.