Previous editions are cited in Books for College Libraries, 3rd ed.. This guide contains descriptions of about 17,500 associations and societies from the fields of science, culture and technology. Arrangement is alphabetically by name within an alphabetical listing of countries. Indexing is by association names, persons, and subjects. Each entry gives the association name (where applicable: extension to name, abbreviation, name in English, former name), contact information, homepage, year of foundation, number of members, names of officials, details of periodical publications, and whether or not a library and/or archives exists. New information includes details on aims and activities, awards, grants, and events. Distributed by Gale. Annotation copyrighted by Book News Inc., Portland, OR.

First multi-year cumulation covers six years: 1965-70.