Papers on conservation and preservation which were presented at the 1985 International Federation of Library Associations (IFLA) conference include: (1) "Mass Deacidification at the National Library of Canada" (Joyce M. Banks, National Library of Canada); (2) "The National Preservation Office in the British Library" (David W. G. Clements, The British Library, United Kingdom); (3) "Polyester Encapsulation Using an Ultrasonic Welding Machine" (William Minter, Private Book Conservator, United States); (4) "A Preservation Climate: The Achievement of Environmental Standards for Storage at the Newberry Library" (Bonnie Jo Cullison, The Newberry Library, United States); and (5) "Selecting for Conservation--Selecting for Conversion: Some Practical Recommendations for Policy" (Helmut Bausa, Bavarian State Library, West Germany). (THC)