Columbia subject headings:
Drawing--Study and teaching (Elementary)--Austria--History.
Drawing--Study and teaching (Elementary)--Germany--History.
Drawing--Study and teaching (Elementary)--Switzerland--History.
Harvard subject headings:
Drawing--Study and teaching (Elementary)--Austria--History.
Drawing--Study and teaching (Elementary)--Europe, German-speaking--History.
Drawing--Study and teaching (Elementary)--Germany--History.
Drawing--Study and teaching (Elementary)--Switzerland--History.
Princeton subject headings:
Drawing--Study and teaching (Elementary)--Austria--History.
Drawing--Study and teaching (Elementary)--Germany--History.
Drawing--Study and teaching (Elementary)--Switzerland--History.