The pages referenced below are largely raw text. They will be tidied up as time allows. Also a few bulletins are still to be added.
Printed versions of all the DLMPS reports from 1962 onwards are in the journal Synthese. The minutes of the General Assemblies of 1960 and earlier never reached Synthese; I would be grateful to hear if anybody has copies of them or knows where to find them. WH.