Many thanks for the suggestions I received for records storage companies. As several people asked me to let them know what I found out, here are the companies that have been recommended: Archives Online, Charlton - www.archives-online.com Graphic Data Online - www.graphicdata.co.uk Iron Mountain, Belvedere - www.ironmountain.co.uk Clark's Archive Storage, Unit 14-15 London Industrial Park, 5 Hillcroft Rd, London E6 6LW, 020 7476 3666 Ede's UK Ltd - www.edes.com ER Logistics - www.erlogistics.plus.com Polly Tucker Acting Archives and Records Manager The Natural History Museum