ISO 999

ISO 999 is an ISO standard which provides the information industry with guidelines for the content, organisation and presentation of indexes to a wide range of documents including books, Periodicals, electronic documents, films, images, maps, and three-dimensional objects. It covers the choice and form of headings and subheadings used in index entries once the subjects to be indexed have been determined.

Revision

ISO 999:1975
ISO 999:1996

ISO999:1996 is a complete revision and expansion of the first edition of this International Standard on indexes. It was prepared by ISO Technical Committee 46, Subcommittee 9 which develops International Standards for the identification and description of information resources.