434 / | HD | EDUCATION AND DEMONSTRATION |
156 | DF | LANGUAGE {6} |
162 | ![]() | .~ Writing or printing by hand {3} |
163 | DF | .~.~> Tracing {1} |
165 | DF | .~.~> Writing sample included in teaching means |
166 | DF | .~.~> Mechanical means for teaching proper position of body part while writing |