USA standard basic criteria for indexes.
By: Sponsor: Council of National Library Associations. Approved August 22, 1968.
Contributors: Council of National Library Associations.; United States of America Standards Institute. Standards Committee on Standardization in the Field of Library Work, Documentation, and Related Publishing Practices, Z39. Subcommittee on Indexes.; American Standards Association. Sectional Committee on Standardization in the Field of Library Work and Documentation, Z39.
Series: ANSI -- Z39.4-1968
Place of publication: [New York
Number of pages: 12
Subjects: Indexing -- Standards.
Other titles: Basic criteria for indexes.
Notes: "Revision of Z39.4-1959."

"Prepared by Subcommittee 12 of the USA Standards Committee on Standardization in the Field of Library Work, Documentation, and Related Publishing Practices, Z39."

1959 ed., prepared by the Sectional Committee on Standardization in the Field of Library Work and Documentation, Z39 of the American Standards Association, has title: American standard basic criteria for indexes.