| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Mathematics Plus | 978-0-19-570674-1 | 1997 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus | 978-0-19-570735-9 | 1993 | Werner Ladewig · J. Pretorius |
| Mathematics Plus | 978-0-19-570705-2 | 1992 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus: Gr 7: Learner's Book | 978-0-19-570622-2 | 1997 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus: Gr 7: Teacher's Guide | 978-0-19-570667-3 | 2001 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus: Gr 8: Teacher's Guide | 978-0-19-570762-5 | 1992 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus: Gr 9: Teacher's Guide | 978-0-19-570765-6 | 1999 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus: Gr 11: Learner's Book | 978-0-19-570793-9 | 1995 | Werner Ladewig · Johan Pretorius |
| Mathematics Plus: Gr 12: Learner's Book | 978-0-19-570795-3 | 1998 | Werner Ladewig · Johan Pretorius |
| Oxford Mathematics Plus | 978-0-19-578156-4 | 2005 | Johan Pretorius · Werner Ladewig |
| Oxford Mathematics Plus: Gr 10: Learner's Book | 978-0-19-578155-7 | 2005 | Johan Pretorius · Werner Ladewig |
| Oxford Successful Mathematical Literacy | 978-0-19-578164-9 | 2005 | Johan Pretorius · Werner Ladewig |
| Oxford Successful Mathematical Literacy: Gr 10: Learner's Book | 978-0-19-578163-2 | 2005 | Johan Pretorius · Werner Ladewig |
| Oxford Successful Mathematics: Gr 4: Learner's Book | 978-0-19-578556-2 | 2004 | Susan Koen · Werner Ladewig · Johan Pretorius |
| Oxford Successful Mathematics: Gr 5: Learner's Book | 978-0-19-578560-9 | 2004 | Johan Pretorius · Werner Ladewig · Susan Koen |
| Oxford Successful Mathematics: Gr 5: Teacher's Book | 978-0-19-578561-6 | 2004 | Susan Koen · Werner Ladewig · Johan Pretorius |
| Oxford Successful Mathematics: Gr 6: Learner's Book | 978-0-19-578564-7 | 2004 | Susan Koen · Werner Ladewig · Johan Pretorius |
| Oxford Wiskunde Plus: Gr 6: Leerdersboek | 978-0-19-578578-4 | 2004 | Johan Pretorius · Werner Ladewig |
| Wiskunde Plus | 978-0-19-570796-0 | 1998 | Werner Ladewig · Johan Pretorius |
| Wiskunde Plus | 978-0-19-570704-5 | 1997 | Werner Ladewig · Johan Pretorius |
| Wiskunde Plus | 978-0-19-570794-6 | 1995 | Werner Ladewig · Johan Pretorius |
| Wiskunde Plus | 978-0-19-570621-5 | 1991 | Werner Ladewig · Johan Pretorius |
| Wiskunde Plus | 978-0-19-570675-8 | 1991 | Werner Ladewig · Johan Pretorius |
| Wiskunde Plus: Gr 10 | 978-0-19-570734-2 | 2001 | Werner Ladewig · Johan Pretorius |