(There) Ahead John FIRTH-SMITH Strut John FIRTH-SMITH Painting 3 Paul BOSTON Untitled Paul PARTOS Black with curves Antoni TÀPIES Etude Friedrich VORDEMBERGE-GILDEWART Erosion (Staircase) #2 Analia SABAN Erosion (Staircase negative) Analia SABAN Die Fahne Hoch Frank STELLA Untitled Harvey QUAYTMAN Relocation John FIRTH-SMITH Four Basic kinds of Straight Lines Sol LEWITT Curved forms Barbara HEPWORTH Abstract with Aboriginal motif James CANT The Location of Lines Sol LEWITT Yellow premiss Ian BURN Olympia Godfrey MILLER Cadenza Len CRAWFORD Crimson Stanislaus OSTOJA-KOTKOWSKI Untitled green Paul PARTOS Enclosed spheres Stanislaus OSTOJA-KOTKOWSKI Untitled (The black window) Robert JACKS Zena Michael JOHNSON Arrival Sean SCULLY Thru a-z+ Louise NEVELSON Composition Ludwig HIRSCHFELD MACK Terrain drawing #3 Peter ROBINSON Kind-hearted kitchen garden III Robert ROONEY Superknit 1 Robert ROONEY Hanoi red Lesley DUMBRELL