| title | ISBN-13 | year of publication | |
|---|---|---|---|
| Der Burenkrieg 1899-1902 | 978-3-85339-158-7 | 1979 | |
| General Louis Botha | 978-0-304-93501-7 | 1970 | |
| President Paul Kruger | 978-0-304-29423-7 | 1974 | |
| The Voortrekkers: Story of the Great Trek and the Making of South Africa | 978-0-304-29034-5 | 1973 |