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lcweb.loc/z3950/agency/ rden@loc

Explore the historical background and resources for Z39.50 Standard maintenance, defect reports, and new versions. Get involved in the formal and informal maintenance process. Stay up-to-date with related specifications, object identifiers, and implementor agreements.

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lcweb.loc/z3950/agency/ rden@loc

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  1. Library of Congress Z39.50 Maintenance Agency http://lcweb.loc.gov/z3950/agency/ rden@loc.gov

  2. Maintenance • Development • Registration • Implementor Information

  3. Formal Standards Maintenance • Defect Reports • Amendments • New versions

  4. Informal Maintenance • Clarifications • Commentaries • Implementor Agreements

  5. Z39.50 Standard - Related Specifications - Object Identifiers - Implementor Register - Z39.50 Profiles - ZIG Meetings - Other Resources - Site Index

  6. Historical Background • 1978-82 • Early Development/ Investigation • 1982-83 • Linked Systems Project Protocol • 1883-84 • Submitted to ANSI Z39 (renamed “NISO” in 1985). Z39.50-1984. Ballot failed.

  7. Historical Background (continued) • 1984-87 • Continued Development • 1988 • Re-submitted. Approved as Z39.50-1988. • 1979-89 • Z39 SC D

  8. Historical Background (continued) • 1984-91 • ISO SR • 1990 • ZIG • 1989-90 • Z39.50 Maintenance Agency

  9. Historical Background (continued) • 1992 • Z39.50-1992 (version 2) • 1990-95 • Development of version 3 • 1995 • Z39.50-1995 • 1998 • ISO 23950

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