G L. · S. G. · S. L. · Stanley Gibbons
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Collect Autographs: An Illustrated Guide to Collecting and Investing in Autographs | 978-0-85259-752-1 (0-85259-752-5) | 2009 |
| Stanley Gibbons Stamp Catalogue: Balkans Pt. 3 | 978-0-85259-711-8 (0-85259-711-8) | 2009 |