n/a · Nicholas Alexander · Nicolaj Alexandrow · Nikolajew Alexander
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Theory of Knowledge: Student's Book | 978-0-340-91476-2 (0-340-91476-9) | 2006 |
| The Theory of Knowledge: Pupil's Book | 978-0-7195-7865-6 (0-7195-7865-5) | 2002 |
| The Theory of Knowledge: Teacher's Book | 978-0-7195-7866-3 (0-7195-7866-3) | 2002 |