Yves Popet # COMPOSITION# silkscreen 42/150,1990
Yvon Lambert /LeWitt, Andre, Buren # ACTUALITE d"UN BILAN # 1972, nm+
Yvon Lambert# SOL LEWITT / Six Geometric Figures # 1980
zeefdruk edition , ed. 40 # HANNEKE KOP # 1971, mint--
Zero, Mack, Piene# NEUE GRUPPE SAAR# 1961, nm
Ziegler# Richard P. LOHSE #1969, + orig silkscreens,nm
Zonnehof # DAVID VANDEKOP # numb. HC 60, 1990, nm
Zonnehof # JAN VAN MUNSTER # special cover pyrografie , signed , numbered,1992, mint-
