Library Trends 41 (4) Spring 1993: The Depreciation of Knowledge


Library Trends 41 (4) Spring 1993: The Depreciation of Knowledge. Edited by Miranda L. Pao and Amy J. Warner.

The diverse set of articles in this volume on the depreciation of knowledge deals with fundamental and complex issues in the field of library and information science. In fact, one of the most important points to be made about the contributions presented here is that they demonstrate how multifaceted many of these phenomena are: knowledge (physical documents, citations, or cognitive system); life cycle (one or many for a given knowledge area); value (what does it mean for a person to be current or for a document to be of a given quality?); and depreciation or obsolescence (does literature become less valuable - i.e., less used or useful with age, and, if so, what factors make that happen?).

Library Trends (ISSN 0024-2594) is an essential tool for librarians and educators alike. Each issue thoroughly explores a current topic of interest in professional librarianship and includes practical applications, thorough analyses, and literature reviews. The journal is published quarterly for the Graduate School of Library and Information Science by The Johns Hopkins University Press. For subscription information, call 800-548-1784 (410-516-6987 outside the U.S. and Canada), email jlorder [at], or visit

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