| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Classification Made Simple | Hardcover | 978-1-138-73819-5 | 2017 |
| Classification Made Simple | Paperback | 978-0-7546-0795-3 | 2002 |
| Classification Made Simple: An Introduction to Knowledge Organisation and Information Retrieval | Hardcover | 978-1-138-43953-5 | 2017 |
| Classification Made Simple: An Introduction to Knowledge Organisation and Information Retrieval | Paperback | 978-0-7546-7558-7 | 2009 |