| Description | Documentation from the Nineth Biennial Conference (1975). Includes: business meeting minutes, conference report, and 5 papers labelled A-E. A) The direction of the progression and the direction of path, by Albrecht Knust. B) Track Pins, by Ann Hutchinson and Maria Szentpal. C) Supports on all fours, by Maria Szentpal. D) Shape, shape writing, by Ann Hutchinson. E) Use of Pins. |