Bibow, page 19 in the sketchbook "Travel Notes, Sept. 1921 Heiligenhafen, Stralsund, etc."

Colored marker on paper

Colored marker on paper

Colored marker on paper

Blue marker and black pen on paper

Watercolor over graphite on cream wove paper

Watercolor on paper

Graphite and colored on paper

Gouache, watercolor, and graphite on cream cardboard

Graphite on paper

Green marker on paper

Graphite on paper

Black crayon on paper