This report constitutes Phase I of a two-part study; a Phase II report will discuss subject cataloging. Phase I is concerned with the materials of a library as individual records (or documents) and as representations of certain works by certain authors--that is, with descriptive, or bibliographic, cataloging. Discussed in the report are (1) the…

Based on the principle that alphabetical arrangement should be based on the characters actually appearing in the sort field, a computer filing code was produced which provides rules for formatting entries for computer manipulation. This study applies the principles developed in that code to library subject headings, using a sample of the Library…