| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| De Zwarte Madonna van oer- tot eindtijd: de moeder van donker en licht en haar dochter Maria Magdalena | 978-90-820313-1-7 (90-820313-1-0) | 2015 |
| The Language of MA the primal mother: the evolution of the female image in 40,000 years of global Venus Art | 978-90-820313-8-6 (90-820313-8-8) | 2015 |