This bibliography of environmental services is designed for general orientation and not intended as a comprehensive listing. Reference is made only to information systems initiated by the Environmental Protection Agency (EPA) or those which contain reference to EPA services. The booklet is divided into three sections: (1) EPA information systems,…

Describes the computer-based online system, UNBIS, developed for expanded reference and information services and to provide bibliographic control of United Nations document holdings. The report includes descriptions of current and future UNBIS information products. (RAA)

In the preparation of a thesaurus for the Language Information Network and Clearinghouse System (LINCS), a number of already existing indexing tools was consulted. Many of these provide important secondary sources of terminology and of term relations, in addition to the primary sources available in original texts. Others are models of thesaurus…

An outline is provided for study of the collection, storage, and retrieval of all kinds of print and nonprint information. Coverage includes descriptions of types of primary materials, print and nonprint information, bibliographic description and cataloging; indexes and abstracts; bibliographies; reference works; retrieval methods; reprography;…

An international numerical coding structure is presented for classification of data on education according to level category, educational field, and program type. Explanation of the overall system and a guide for its use is followed by a listing of levels, fields, and programs of education in coded order. The various educational program…