| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Gum | 978-1-55936-213-9 | 2002 | |
| Gum and The Mother of Modern Censorship - Acting Edition | 978-0-8222-1927-9 | 2003 | |
| Learning to Use the Internet & the World Wide Web | 978-1-887902-78-6 | 2003 | Ernest C Ackermann Ph.D. |
| Learning to Use the Internet and World Wide Web with Revitalized URLs | 978-1-59028-035-5 | 2005 | Ernest Ackermann |
| Searching & Researching on the Internet & World Wide Web, 4th Edition | 978-1-59028-036-2 | 2004 | " |
| Searching and Researching on the Internet and the World Wide Web, 5th Edition | 978-1-59028-242-7 | 2010 | " |
| The Information Searcher's Guide to Searching and Researching on the Internet and World Wide Web | 978-1-887902-58-8 | 2000 | " |
| The Information Specialist's Guide to Searching & Researching on the Internet & the World Wide Web | 978-1-887902-48-9 | 2000 | " |
K. H. · Karen Hardin · Karen Harding · Karen Hartmann · Karen Hartnup · Karin Hartman · Karin Hartmann · Karin Hirdina · Kirn-Hartmann
Dramatists Play Service, Inc. · Franklin Beedle & Assoc · Theatre Communications Group