Abstract From its beginnings, the Program for Cooperative Cataloging (PCC) has been an international leader of change in bibliographic and authority control and maintenance, and metadata creation and distribution. This article highlights some PCC achievements in these areas.

中文翻译：

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PCC：变革的领导者

摘要合作编目计划（PCC）从一开始就一直是书目和权限控制与维护以及元数据创建和分发方面的国际领导者。本文重点介绍了PCC在这些领域中的一些成就。