| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Collins Gem French Grammar | 978-0-00-459334-0 | 1984 | Lesley A. Robertson |
| Collins Gem German Grammar | 978-0-00-459335-7 | 1985 | Ilse McLean |
| Collins Gem German Verb Tables | 978-0-00-459339-5 | 1984 | Ilse MacLean |
| Harpercollins Business German | 978-0-06-276517-8 | 1992 | |
L. S. · L. Sinclair · Lorna A. Sinclair · Lorna Sinclair Knight · Lorna Sinclair (series Knight