Papers on the collection and processing of official or government documents which were presented at the 1982 International Federation of Library Associations (IFLA) conference include: (1) "The Definition of Official Publications" by E. Johansson (United Kingdom), which provides a proposed definition and a 1979 IFLA discussion paper on official publications; (2) "CODOC: A Canadian System for Processing Government Publications," a description by Virginia Gillham (Canada) of a simple computer-based system--originally called the Guelph Document System--which permits nonprofessional library staff to create bibliographic records for individual government publications; (3) "Study of the Availability and Use of Official Publications in Libraries," a report by J. J. Cherns and E. Johansson (United Kingdom) on the interim results of a questionnaire survey of 593 libraries in 72 countries, covering the acquisition, availability, and use of official publications within libraries; (4) "Libyan Official Publications," a description by Abubaker M. El-Hush (Libya) of the type, number, source, and subject coverage of Libyan government documents; and (5) "Bringing U.S. Government Publications into the Mainstream of Library Cataloging Systems," a discussion by Bernadine E. Abbott Hoduski (United States) of problems in both Library of Congress (LC) and Superintendent of Documents (SuDoc) cataloging of government publications, and the recent cooperation between libraries, bibliographic utilities, and government agencies in the cataloging of government documents. (ESR)