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Preservation
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PRESERVATION ADVICE ON CARE OF LIBRARY MATERIALS
PROCESSING LIBRARY MATERIALS
1. Processing instructions should not be written directly on library materials (or parts of library materials, i.e., errata sheets). Instructions should be written on scrap paper instead; flags are less likely to get lost than small slips. Post-it notes can leave tacky residue behind after removal (even if you can't feel it) and should be avoided.
2. Avoid using metal paper clips and rubber bands. The sharp edges of the clips can tear and crimp paper and leave rusty stains. Rubber bands emit sulfur compounds which turn into sulfuric acid; rubber bands can be especially damaging to paper already brittle.
3. A book's cover is tailor-made to fit its textblock. Bulky papers, cards, and clips stuffed between pages can crack covers along the hinges, warp textblocks, and break stitched or adhesive bindings.
4. Opening a new book for the first time should be done gently. Forcing back the covers can break the book's spine, especially if the book is too tightly bound. If time allows, opening each book carefully in several places is recommended.
5. Avoid leaving stacks of books or other materials being processed piled high on desks, trucks, and floors. In crowded work spaces, they can easily be tipped over. Materials stacked on floors are very susceptible to potential flooding as well.
6. Packing books properly in boxes, even for a short trip across campus, can prevent damage. Always lay books flat or pack with the spines down. The same rules apply here as do for shelving.
7. Most libraries use an ownership stamp. Too much ink on the stamp can cause bleeding through the title page or even further. The stain is permanent. Stamp with care. Also, support the part of the book that is being stamped. Spines don't need much pressure to crack.
8. If a book needs to be propped open for any length of time during processing, use a book snake instead of an elbow or two other books. Again, support the book's structure as much as possible.