Twenty nineteen marked the 25th anniversary of the establishment of the Program for Cooperative Cataloging (PCC). This special issue of Cataloging & Classification Quarterly (CCQ) celebrates that significant milestone. Many voices have offered scholarly articles, reminiscences, oral histories, and reflections to celebrate the history and achievements of the PCC. It is my hope that through these stories, memories (some which differ), facts, and opinions, readers will learn not only the factual history of PCC and its many programs and projects, but also gain insight into the people, value shifts, technologies, and professional culture that brought the program to where it stands today as a leader in the promotion of discovery and use of the world’s information. The issue is divided into four sections, each of which covers a rough time period in PCC’s history. Each section is preceded by a short quote from Beacher Wiggins, Director for Acquisitions and Bibliographic Access at the Library of Congress. Beacher is possibly the only librarian still working at the Library of Congress who has been associated in various capacities with the PCC’s development from day one. As such, I thought it would be interesting to ask him what stood out to him about each of these time periods in order to help set the stage. He agreed and graciously provided me with some thoughts via email from which I have excerpted these quotes. The first section focuses on PCC Beginnings as told by voices that participated in PCC’s formation. And as the Wiggins quote reminds us, the PCC was initially focused on bibliographic and authority records for print books. Sarah Thomas, the then Director of Cataloging at LC, leads off the issue with the backstory of PCC’s birth and goes on to explore its future potential from a unique vantage point of a founding member. Wolven describes the early days of the PCC from a different perspective, that of a person outside of LC who served as a director of a large technical services department during a time when shared cataloging was no longer cost efficient. Bishoff and Patton describe the length and depth of the OCLC/PCC partnership, while the interview with Smith-Yoshimura reminds readers that

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编目与采购主管

19 19年是合作编目计划（PCC）成立25周年。这本《目录与分类季刊》（CCQ）的特刊庆祝了这一重要的里程碑。为了表达PCC的历史和成就，许多声音提供了学术文章，回忆，口述历史和反思。我希望通过这些故事，回忆（有些有所不同），事实和观点，读者不仅可以学习PCC及其许多程序和项目的事实历史，而且可以洞悉人员，价值转变，技术以及专业文化使该计划成为当今促进发现和使用世界信息的领导者。该问题分为四个部分，每个阶段都涵盖PCC历史上的一段艰难时期。每一节之前都附有国会图书馆购书和书目检索主任比奇·威金斯的简短报价。比奇尔可能是唯一仍在国会图书馆工作的图书馆员，从第一天起便以各种身份与PCC的发展联系在一起。因此，我认为问他在每个时间段对他有什么突出之处，以帮助奠定基础将很有趣。他同意并通过电子邮件慷慨地为我提供了一些想法，我摘录了这些引述。第一部分着重于PCC的起源，如参与PCC成立的声音所言。正如威金斯的名言提醒我们的那样，PCC最初专注于印刷书籍的书目和权威记录。莎拉·托马斯（Sarah Thomas）当时的LC编目总监以PCC诞生的背景介绍了这一问题，并从创始成员的独特视角出发探索了PCC的未来潜力。Wolven从不同的角度描述了PCC的早期时代，即LC之外的人在共享编目不再具有成本效益的时候担任大型技术服务部门的主管。Bishoff和Patton描述了OCLC / PCC合作伙伴关系的长短和深度，而对Smith-Yoshimura的采访提醒读者，LC之外的人在共享编目不再具有成本效益的时候担任大型技术服务部门的主管。Bishoff和Patton描述了OCLC / PCC合作伙伴关系的长短和深度，而对Smith-Yoshimura的采访提醒读者，LC之外的人在共享编目不再具有成本效益的时候担任大型技术服务部门的主管。Bishoff和Patton描述了OCLC / PCC合作伙伴关系的长短和深度，而对Smith-Yoshimura的采访提醒读者，