International standard ISO 9706. Information and documentation - Paper for documents - Requirements for permanence. ISO (International Standard Organization), Geneva, first edition, March 1994.
2.
Expert Meeting on Conservation of Acid Paper Material and the Use of Permanent Paper , December 17-19 1991, The Hague. Proceedings of an expert meeting organized by the European Commission (DGX) in collaboration with the Dutch Presidency, National Preservation Office, The Hague, 1992, 115 p. ISSN 0926-2930.
3.
European Directory of Acid-free and Permanent Paper, 2nd ed. Marc Walckiers (ed.). Brussels: Librime, European Foundation for Library Cooperation/Groupe de Lausanne, 1994.
4.
" A Swets-EFLC Survey: 68 European Publishers Use Acid-Free Paper". In EFLC Newsletter8: 2 (March 1994). Lisse , Netherlands: Swets & Zeitlinger.
5.
" North American Permanent Papers", Abbey Publications, 7105 Geneva Drive, Austin, Texas 78723, USA. (Also contains the text of the Second Report (1993) to the U. S. Congress on Public Law 101-423 to establish a National Policy on Permanent Papers; The Nature of Permanence" by Ellen McCrady; and "Some Happenings on the Way to the Development of Permanent Record Papers by William K. Wilson).
6.
Alkaline Paper Advocate. Austin, Texas: Abbey Publications
7.
Frase, Robert W. "Permanent Paper: A Progress Report". IFLA Journal17 (4): 366-370 (1991).
8.
American National Standard for Permanence of Paper for Publications and Documents in Libraries and Archives, ANSI/NISO 39.48-1992, National Information Standards Organization, POB 1056, Bethesda, Maryland 20827, USA.
