The present Comprehensive Index 1996 replaces the Comprehensive Index 1990 and its diskette update Comprehensive Index 1994 on the Landolt-B?rnstein DirectoryDisk 1.1. It covers all volumes - more than 200 - of the New Series and the 6th Edition of LANDOLT-B?RNSTEIN published up to the end of 1995. The Comprehensive Index consists of three chapters and a guide How to find Keywords and Volumes , printed on yellow pages. In addition to the individualkeywords topicalkeywords have been included. Also enclosed is a CD-ROM containing not only the full text of the Comprehensive Index 1996, but also the update of the Substance Index 1993.DE