Niels Landwehr · Nils Löhndorf · Nils Lohndorf
| title | ISBN-13 | year of publication |
|---|---|---|
| Being a mature person | 978-0-7992-0188-8 | 1976 |
| Sons and daughters, which career?: Ask dad: what parents should know | 978-0-7992-0168-0 | 1976 |
| The careers counsellor | 978-0-7992-0153-6 | 1975 |
| Your childs career and your own | 978-0-7992-0335-6 | 1980 |