|| Before You Ask ||
See the Preservation Directorate's Frequently Asked Questions, including How to Care for Your Stuff.
Services We Provide
- Basic research and reference assistance related to library preservation
- Answers to queries requiring resources unique to the Library of Congress
- Response within 5 business days
We suggest that you
- Visit the Library's Preservation Web pages, which include Preservation FAQs .
- Read our reference correspondence policy
Services We Cannot Provide
- Conservation (including review, examination, treatment)
- Digitization/reformatting
- Access to/use of Library equipment
- Project funding
- Appraisals
- Recommendations for products or vendors
- Materials testing or analysis
- Preservation courses or classes
- Responses to vendors seeking to sell or promote commercial products
Ask a Librarian Online
For reference questions, proceed to the online form and get answers via email.
Written Correspondence *
Preservation Directorate
Library of Congress
101 Independence Ave. SE
Washington, D.C. 20540-4530
* Please note: information on mail delays
