| Title | untitled |
| View | Two-page spread of open book |
| Artist | Milan Knizak, Jan Mach, Sona Svecova |
| Date | circa 1965 |
| Institution | Walker Art Center |
| Image | Courtesy Walker Art Center |
| Rights | © Milan Knizak / Artists Rights Society (ARS), New York / VG Bild-Kunst, Bonn |
| Title | untitled |
| View | Two-page spread of open book |
| Artist | Milan Knizak, Jan Mach, Sona Svecova |
| Date | circa 1965 |
| Institution | Walker Art Center |
| Image | Courtesy Walker Art Center |
| Rights | © Milan Knizak / Artists Rights Society (ARS), New York / VG Bild-Kunst, Bonn |