Douglas developed a strong interest in the relations between education and classification. He explored the writings of L.S Vygotsky, L. von Bertalanf… - Douglas John Foskett

The same thing can be identified by many different terms, and the same term may mean many different things.

consists in an analysis of a subject in its entirety into a certain number of facets or categories of things; within each category, the subject headings enumerated all possess the same relationship vis-&-vis the subject in its entirety.

In all this, I have made no mention of punched cards and all the other hardware. The CRG would have been hard put to it to ignore this, even if it had wanted to, which it does not. We believe, however, that there will, in the foreseeable future, remain a need for classification to provide research workers with the opportunity for browsing and for imposing some discipline on a literature that tends always towards greater disorder. We believe that, since hundreds of millions of dollars and rubles are being spent on hardware, and fat volumes roll off the presses almost day and night, that ten shillings a year that the CRG collects from its members will not be missed.