| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| A Companion to Beowulf | Paperback | 978-0-9831810-0-2 | 2011 |
| A Companion to Beowulf | Hardcover | 978-0-313-33224-1 | 2005 |
| All Things Medieval: An Encyclopedia of the Medieval World | " | 978-0-313-36462-4 | 2011 |
| Re-Modeling the Mind: Personality in Balance | Paperback | 978-0-9831810-2-6 | 2015 |
A. J. · A. Johnston · R. A. · R.A. Johnston · R.J. · R Johnston · Ruth J. · Ruth Johnston