On some thoughts about official document keyword indexing reform;

Use of subheadings in subject indexing of medical literature;

CIP Subject Indexing Errors Analysis;

Subject indexing of medical books cataloguing in publication;

The paper discusses the questions to be concerned with the classifying indexes, subject indexes and CNMARC records for dictionary.

After expounding the relations between document retrieval and subject index,this paper discnsses the roles of subject index in document retrievals from index quality,index principles and index depth,and puts forward some countermeasures to improve indexquality.

From the principle of the arrangement and the sort-out of national literature and the characteristics of national literature,the paper illustrates a series of ways and means about the collection, description, subject index, distribution, shelving and protection of national literature in order to provide a scientific basis for the management of national literature.

This article analyses the problems excited in the subject heading for the data of films and videos.

This article summarizes the primary views on bibliography coming from Yao Mingda,which include eight purposes of catalogue,four kinds of abstracts,and five principles of subject heading.