Here are entered works dealing with the methods of interpreting and summarizing the essential points of any kind of communication, oral, written, or printed. Works dealing with such summaries in individual subject fields are entered under the subject, e.g. a content analysis of American periodicals under American periodicals.
--subdivision Abstracting and indexing under names of countries, cities, etc., names of individual persons and corporate bodies, and under topical headings for works on preparing abstracts or indexes of publications on those subjects; and under individual sacred works and types of publications for works on preparing abstracts or indexes of those publications