| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Pyke Koch | 978-9O-295-O2OO-9 (9O-295-O2OO-2) | 1972 |
C B · C Blotkamp;G Roos · Carel Blotkamp · Carel Blotkamp;Art and Language · Carel Blotkamp;Gottfried Boehm · Carel Blotkamp;Hans Esser · CAREL BLOTKAMP / PYKE KOCH