| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Looking for Information: A Survey of Research on Information Seeking, Needs, and Behavior | 978-0-12-150381-9 (0-12-150381-X) | 2002 |
| Looking for Information, Second Edition: A Survey of Research on Information Seeking, Needs, and Behavior | 978-0-12-369430-0 (0-12-369430-2) | 2006 |