Vol. 1 Num. 3 (1981) David Wheeler Editorial2 Dick Tahta Letters to the Editor3 David Robitaille Letters to the Editor3 Herbert Ginsburg The clinical interview in psychological research on mathematical thinking: aims, rationales, techniques4 David Henderson Three papers: Mathematics and liberation, Sue is a mathematician, Mathematics as imagination12 Marion Walter Do we rob students of a chance to learn?16 Brian Greer Cognitive psychology and mathematical thinking19 Stephen Brown Ye shall be known by your generations27 Dieter Lunkenbein Groupings in the process of concept formation37 Dick Tahta On poetry and mathematics43 David Pimm Metaphor and analogy in mathematics47