Because the system was not consistently used and applied, there may exist other titles of files that do not appear in the Appendix, and which can only be discovered by browsing through all the files for each year. Sometimes the same topic is referred to by varying titles. Subject headings contained in each box are listed with the box and file numbers. Refer to Appendix A for a combined list of the classification system for the years 1956 and 1963, which reflects the system used throughout all years. 8 cm of textual materials.
Series consists of carbon copies of materials requisitioned by the division.