Competition Entry for School, Schwarzerden-Rhön, 1930: Isometric, 1:200

Black and colored crayons on paper

Black and colored crayons on paper; black crayon on paper

Colored marker on paper

Graphite on paper

Black marker, staple, and ticket stub on paper

Graphite on paper

Crayon on paper

Crayon on paper

Colored crayon on paper

Black crayon on paper

Colored marker and blue pen on paper

Graphite on cream wove paper