188
1965
Charcoal drawing, wiped
189
1961
Collage of white, black and grey-blue paper on a yellow . . .
190
1942
Plaster
694
Around 1942
Woodcut
695
Around 1945
Woodcut
696
1949
Woodcut, cut by Karl Schmid
697
Before 1941
Lithograph in grey, orange . . .
698
1955
Lithograph in 3 colours: black and grey on yellow clay plate
699
Serigraphy in colours
700
1962
Offset colour lithograph
701
1960
Etching