The Anglo-American Cataloguing Rules (AACR) is a multinational content standard for providing bibliographic description and access for all media. It is independent of the format used to communicate information. It enables users of library catalogues and other systems of information organization to find resources appropriate to their information needs. While developed for use in English language communities, it can also be used in other language communities. ...
The Dewey Decimal Classification (DDC) is a system of library classification developed by melvil Dewey in 1876, and since greatly modified and expanded in the course of twenty-two major revisions occurred until 2004. DDC is commonly used in public and school libraries throughout the world. The aim of the book is to be amply illustrative and to step by step introduce the concepts and methods of DDC. It highlights special features of the successive editions of ...