| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Federal Court of Canada service | 978-0-409-83800-8 | 1970 | |
| Hughes & Woodley on Patents | 978-0-409-83831-2 | 1985 | John M. Woodley |
| Hughes on Copyright and Industrial Design | 978-0-409-83832-9 | 1985 | Susan J. Peacock |
| Hughes on Trade Marks | 978-0-409-83830-5 | 1985 | Toni Polson Ashton |
R. H. · R. Hughes · R. T. · R.T. Hughes · Roger H. · Roger Hughes · Roger T · T.H. · T. Hughes