| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| International Trademark Classification: A Guide to the Nice Agreement | 978-0-19-981286-8 (0-19-981286-1) | 2012 |
| International Trademark Classification: A Guide to the Nice Agreement | 978-0-19-532315-3 (0-19-532315-7) | 2007 |
J R · J. Roberts · Jessie Roberts · N.R. · N. Roberts