Rolf Hartung
1935
Creative textile design: thread and fabric
Exploring clay; hand techniques
L' argile
Environmental mercury contamination
Cartoons
Clay
Creating with corrugated paper
Effects of the ingestion of oils on waterfowl
Exploring plywood
Health and environmental effects assessment for l,4-dioxane
Lichtspuren
Textiles Werken: Farbe und Gewebe