9th Bienal de Saõ Paulo
22 September 1967 – 8 January 1968 1967–8
9th Bienal de Saõ Paulo
, 1967–8
9th Bienal de Saõ Paulo
9th Bienal de Saõ Paulo
22 September 1967 – 8 January 1968 1967–8
