TABLE OF CONTENTS - Forward ........1 Table of Contents.....2 References.....2 Introduction......3 Chapter 1 Filing Procedures ......6 Chapter 2 Construction of Standard Subject Identification Codes (SSIC).......8 Chapter 3 Guidelines for Requesting Changes .....11 Chapter 4 Numerical List of SSICs Codes ......12 Chapter 5 Alphabetical Guide to SSICs Codes ......66