Library of Congress

Cataloging Distribution Service

The Library of Congress > Cataloging Distribution Service > Classification Web > Orders & Pricing

Single User: $325

Subscription includes :

  • username and password access (no site restrictions)
  • single personal notes file
  • 20 hours of access per month

Concurrent Users per site*

2 to 4 concurrent users $ 525
5 to 9 concurrent users $ 640
10 to 14 concurrent users $ 775
15 to 19 concurrent users $ 910
20 to 24 concurrent users $1,320
25 to 29 concurrent users $1,825
30 or more concurrent users $1,960 plus $135 for each group of 5 additional users

Subscription includes:

  • Unlimited connection time for maximum number of concurrent users.
  • One local notes file per account.
  • Three types of access:
    1. Account manager username and password (has the ability to edit notes and set account display preferences).
    2. Site IP address: set up a range of computers at your site.
    3. One read-only password for site users not connected to a local LAN.

* site is defined as a contiguous geographical location. (Click here for a detailed description of a site (PDF 2.4 MB). See item I, Subscriber's Site, on page 4 of the pdf.

How to Order Classification Web (or register for a one time only 30-Day Free Trial)

Procedures for new and renewing subscribers (and for registering for a free trial)

  1. Renewing subscribers are not required to complete the Terms and Conditions agreement a second time and need only complete the Order Form (PDF 569 KB).
  2. New subscribers (and those wanting a 30-Day Free Trial) should download the Purchase Instructions and may also wish to download the Terms and Conditions agreement for review. (CDS does not require a signed, hard-copy agreement.) Then complete the Order Form.

Process for obtaining the Class Web Purchase Instructions, Order Form, and Terms and Conditions agreement online

  1. Click on the files below that you require and save them to the hard drive of your computer.
  2. Changes to the Class Web Order Form cannot be saved to your computer. You can complete the form and print it out, or print it out and complete it by hand.
  3. After you complete the Order Form, fax a copy of the completed Order Form to CDS at 202-707-1771.


Library of Congress
Office of Business Enterprises
Cataloging Distribution Service
101 Independence Avenue, S.E.
Washington, DC 20540-4910

Toll-free telephone in U.S. 1-855-266-1884
Telephone outside U.S. +1-202-707-6100
Fax: 1-202-707-1771

Email: cdsinfo@loc.gov

Business hours: 8:00 a.m. – 4:30 p.m. (Eastern Standard Time), Monday-Friday, except holidays.