Code for Classifiers

"Code for Classifiers" is a foundational treatise on the principles and practices of book classification within library systems. Written by William Stetson Merrill, this work serves as a practical guide for librarians and catalogers, offering a set of consistent rules to ensure that books are placed logically and helpfully within a collection. Rather than proposing a new classification scheme, the book focuses on the decision-making process-the "code"-that allows classifiers to apply existing systems like the Dewey Decimal Classification or the Library of Congress Classification with precision and uniformity.

The text addresses the various challenges encountered when assigning subject headings and class marks, providing a systematic approach to handling complex or multi-disciplinary works. By emphasizing the principles governing the consistent placing of books, Merrill highlights the importance of intellectual organization in making information accessible to researchers and the public alike. This work is an essential resource for those interested in the history of library science, the development of bibliographic standards, and the enduring logic of knowledge organization. It remains a significant historical document for professional librarians, students of information science, and scholars of book history.

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