VPRS 11557 Classified Subject Index to General Correspondence Files, Annual Single Number System

This series served as an index to VPRS 11553 General Correspondence Files, Annual Single Number System and in that way assisted in the retrieval of a file or files on a certain subject. Registry staff would have referred to this index prior to filing correspondence, to check if there were already a file on the subject or if a new file were required.VPRS 11557 Classified Subject Index to General Correspondence Files, Annual Single Number System provides the following information:- primary, secondary and tertiary classifications- file number- date file registered- subject.Some files have 1985 file numbers, e.g., 85/1876, which would appear to be top-numbering into the subsequent correspondence series introduced in latter part of 1984.