<< Lignen >> I noticed the discussion on preservation products. Many of you may know about this company, University Products. They have a catalog full of every imaginable kind of product for conservation, restoration and preservation from paper, pens, boxes, albums, various kinds of photo pages, etc. Their toll-free no. is 800-628-1012. Ask them to send a catalog. Their also online at: www.universityproducts.com email: info@universityproducts.com I hope this helps someone.