Abstract This article discusses the history and development of the SACO (Subject Authority Cooperative) Program of the Program for Cooperative Cataloging (PCC). The current proposal process is examined. The University of California, Davis Library is presented as a participating institution, with some forward-looking utilization of Library of Congress Subject Headings (LCSH).

中文翻译：

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SACO：过去，现在和未来

摘要本文讨论了合作编目计划（PCC）的SACO（主体授权合作社）计划的历史和发展。目前的提案流程已经过审查。加州大学戴维斯分校图书馆是作为参与机构提出的，对国会图书馆的标目（LCSH）具有前瞻性的利用。