You might like Left Right programme sheet Frieder Nake 1967 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 no title Hansjörg Mayer 1965 alphabet square Hansjörg Mayer 1964 alphabet square Hansjörg Mayer 1964