In dual English and German texts, this comprehensive reference presents bibliographical information for all publications on sign language before 1993, including articles, videotapes, and available unpublished papers and articles. Listed alphabetically, the entries have been arranged in 14 topical categories for easiest use.

The Encyclopedia of Library and Information Sciences, comprising of seven volumes, now in its fourth edition, compiles the contributions of major researchers and practitioners and explores the cultural institutions of more than 30 countries. This major reference presents over 550 entries extensively reviewed for accuracy in seven print volumes or online. The new fourth edition, which includes 55 new entires and 60 revised entries, continues to reflect the growing convergence among the disciplines that influence information and the cultural record, with coverage of the latest topics as well as classic articles of historical and theoretical importance.

1970- issued in 2 vols.: v. 1, General reference, social sciences, history, economics, business; v. 2, Fine arts, humanities, science and engineering.