AGNES MARTIN , Untitled ,1957

ALEXANDER CALDER ,Streetcar ,1951

 CY TWOMBLY , Orpheus , 1979

CY TWOMBLY , Untitled , 1961

 GEORGIA O'KEEFFE , blue circle and line , 1977

JEAN (HANS) ARP, Vers le Blanc Infini. Poêmes et Gravures, 1960

MIRTHA DERMISACHE, Untitled, ca. 1970, Ink on paper