ASPECTS OF ORGANIZATION, DUTY, INTERPERSONAL RELATIONS, AND SOCIAL DEFINITION OF THE POLICE ROLE ARE COMPARED AND CONTRASTED. THE CONFLICT OF PUBLIC AND PRIVATE ROLES OF POLICE IS THE FINAL TOPIC. THIS IS A SOCIOLOGIST'S VIEW OF VARIOUS POLICE WORK AND DYNAMICS AND NOT A STUDY DIRECTED TO THE DEFECTS OF THE ORGANIZATION. FIFTY REFERENCE MATERIALS ARE INCLUDED.