'The Past' | 'The Present' | 'The Future' - 1969, Oil on Cardboard, 38x40cm
'The Past' | 'The Present' | 'The Future' - 1990, Oil on Canvas 90x70cm
'Three Levels of Development' | 'Evolution' - 2007, Oil on Canvas 90x70cm
'The Past' | 'The Present' | 'The Future' - 2007, Oil on Canvas 90x70cm
