| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Travel journal / Cape to Zululand;: Observations by a collector and naturalist, 1838-40 | 978-O-86961-O46-6 (O-86961-O46-5) | 1973 |
F K · Ferdinand Krause · Ferdinand Kruis · Friedemann Karig · Friedmann Krusche