| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Web Site Source Book 2001: A Guide to Major U.S. Businesses, Organizations, Agencies, Institutions, and Other Information Resources on the World Wide Web | 978-0-7808-0428-9 (0-7808-0428-7) | 2001 |
| Web Site Source Book | 978-0-7808-0344-2 (0-7808-0344-2) | 1999 |