THIS HANDBOOK PRESENTS AN EXTENSIVE COLLECTION OF TIME-SERIES DATA FOR CHICAGO. THE VARIABLES WHICH ARE INCLUDED RANGE FROM AUTOMOBILE OWNERSHIP TO INDICATORS OF THE STRENGTH OF THE CITY'S REPRESENTATION IN THE ILLINOIS STATE LEGISLATURE. THE DATA ARE PRESENTED IN NINE TABLES, DEALING WITH THE FOLLOWING SUBJECTS: BASIC DEMOGRAPHIC CHARACTERISTICS, COMMUNITY ECONOMIC BASE, SOCIAL ENVIRONMENT, CITY AND COUNTY VOTING PATTERNS, WARD VOTING AND DEMOGRAPHIC PATTERNS, JUDICIAL SELECTION IN COOK COUNTY, MUNICIPAL COURT OPERATION, POLICE DEPARTMENT ORGANIZATION AND ACTIVITY, AND OTHER GOVERNMENTAL ACTIVITIES. AN INTRODUCTION TO EACH TABLE DESCRIBES THE DATA SOURCES, PROVIDES CITATIONS TO MORE RECENT SOURCES, AND CLARIFIES PROBLEM AREAS IN EACH TABLE. THE APPENDED MATERIALS INCLUDE INFORMATION ON MAJOR INCIDENTS OF INDUSTRIAL VIOLENCE AND COLLECTIVE DISORDER IN CHICAGO, AND ON PRIVATE SCHOOLS IN CHICAGO....DMC