This paper was prepared to provide a frame of reference to the role of microfilm within the information retrieval world and to provide an opportunity for evaluation of the use of microforms for active retrieval applications. The paper discusses the principles of information retrieval, considers subject and classification indexing, and describes…

A number of questions are raised and discussed with reference to displaying for the library client the relevant facts about a work in microform in such a way that the client knows exactly where to find it. The following questions are addressed: 1) whether to use a subject-classification system, a form-code/accession-numbering system, or some…