
1919
Watercolour over pen and ink drawing, on heavy wove paper

1922/1923
Reed pen and pen and ink drawing, on heavy wove paper

1920
Reed pen drawing in Indian ink on strong wove paper

1920
Reed pen drawing in Indian ink on wove paper
1919, published 1920
Lithograph on chamois-coloured, heavy wove paper

1923
Photolithograph on laid paper with watermark "Johann Wilhelm"
Circa 1926
Pencil on wove paper
Circa 1927
Black Indian ink on laid paper

1915/1916
Transfer lithograph on Japan paper

1920
Lithograph on imitation Japan paper

1920
Lithograph on imitation Japan paper
1922
Lithograph on laid paper
1920/1921, Printed 1924
Lithograph on Bergisch Glattbach laid paper with watermark