- Book Title
- Numerals 1924-1977
- Author
- Rainer F. Crone
- Description
- Book Title
- Prospect 68
- Author
- Konrad Fischer and Hans Strelow
- Description
- Book Title
- spirale 3. internationale zeitschrift für junge kunst
- Author
- Marcel Wyss, Eugen Gomringer, Dieter Roth
- Description
- Book Title
- Vormen van de kleur – New shapes of colour
- Author
- W. A. L. Beeren, Edy de Wilde
- Description
