Düsseldorf
Porträtstudie, ca. 1930
Price on Request
I-S VV II, 1971
Do I, 1973
I-S Va 5, 1969
I-S LXXI a, 1971
I-S LXXI b, 1971
K G, 1966
Hommage au Carré, 1965
JHM-II, 1973
DR-b, 1968
I-S f, 1970
JHM-I, 1973
I-S b, 1968
I-S h, 1971
I-S LXX b, 1970
I-S LXXIIIb, 1973