Discusses three approaches to thesaurus and indexing/retrieval language maintenance for combined databases: reindexing, merging, and initial standardization. Two thesauri for a combined database are evaluated in terms of their compatibility, and indexing practices are compared. Tables and figures help illustrate aspects of the comparison. (SW)

Provides guidelines for thesaurus planning, development, and maintenance. Topics covered include the determination of user needs; the organization of raw vocabulary into clusters; the use of compound terms vs. precoordination; the use of notation; referencing; and computer maintenance of a thesaurus. (nine references) (CLB)

Describes the organization of the descriptors used in the ERIC database to indicate age, educational, and student levels, and suggests appropriate search strategies for the retrieval of information on specific age groups. (CLB)

Describes a study that compared the coverage of the nursing profession, subject heading specificity, and ease of retrieval of the MEDLINE and Nursing & Allied Health (CINAHL) online databases. The strengths and weaknesses of each database are discussed and hints for searching on both databases are provided. (four references) (CLB)