| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| De spontane stad / druk 1 | 978-90-6369-255-1 (90-6369-255-2) | 2010 | Christian Ernsten · Tess Broekmans · Sjoerd Feenstra · Catja Edens · Billy Nolan |
| The Spontaneous City | 978-90-6369-265-0 (90-6369-265-X) | 2011 | |