Originally housed in a ringbinder this file is a counterpart of Acc.13328/1630. The original ringbinder was annotated as follows: "Researchers General, A-K, File No. 1, closed August 1975", however there are letters outlying this date, commencing in 1968 and finishing in 1976. Letters have been arranged alphabetically by researcher surname, subject surname, and/or organisation name. Original and copy letters are present.