1. American Chemistry Council 2011 Plastic Packaging Resins. Available at: [Accessed 25 Au- gust 2011].
2. British Standards Institution 2000 BS 5454:2000 Recommendations for the Storage and Exhibition of Archival Documents. Milton Keynes: BSI.
3. Hanson, L, Beech, D and Skinner, P 2011 Preservation Challenges in the British Library Philatelic Collections. Stamp Lover. Journal of the National Philatelic Society. (forthcoming)
4. Hernandez-Gomez, C 2006 The Uses of Non-Woven Surgi- cal Fabrics in Textile Conservation. MATC dissertation. Textile Conservation Centre, University of Southamp- ton.
5. May, E and Jones, M 2006 Conservation Science: Heritage Materials. London: Royal Society of Chemistry.