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

Graphite on paper with torn upper tight corner

Graphite on paper

Black crayon on off-white wove paper

Colored marker and black pen on paper

Black, blue, and yellow crayon on paper

Black marker on paper

Graphite on paper

Colored marker and blue pen on paper

Crayon on cream wove paper, squared

Colored marker on paper

Black, blue and yellow crayon ; black, blue, yellow and aqua crayon on paper

Graphite on paper