Preface

In response to requests by the library community and the Depository Library Council to the Public Printer, the Assistant Public Printer (Superintendent of Documents) in the summer of 1974 directed the Library Division to join the Ohio College Library Center's on-line cataloging network, convert to the MARC format, and catalog according to Anglo-American cataloging rules (AACR).

The Monthly Catalog utilizes AACR 2 and Library of Congress main entries. Subjects are derived from Library of Congress Subject Headings 9th edition and its supplements. The catalog consists of text and five indexes-author, title, subject, series/report number, and stock number.

The Government Printing Office considers the Monthly Catalog to be an evolving publication. Its scope and timeliness will continue to be of prime importance.

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