An adaptation of Heilprin's model of the path of propagation of human messages is used to explore the truism that more experienced academic researchers tend to go directly to the published literature, while less experienced researchers may rely more on such secondary sources as indexes and other library reference and bibliographic services. The…

Describes a comparative survey of Ulrich's International Periodicals Directory and the Guide to Microforms in Print which indicated that the information on microform availability given by Ulrich's is not accurate. The results of the comparison are summarized in a table. (JL)

Ulrich's performance in listing references to indexes was tested by comparing its statement of where a journal is indexed with the list of the indexed journals in the indexing/abstracting services themselves. (Author)

This study investigated the accuracy of these services: whether they excluded sources in which a journal was actually indexed; and whether the journals accurately reported which services indexed them. (Author/JAB)

This discussion of the failure to include many book reviews by indexes in selected subject fields and by several general indexes highlights the technique used to check review materials in selected magazines to see what was actually indexed, the policies of specific indexes, and the practical consequences for librarians. (EM)

An examination of OCLC's EPIC service and standard video reference tools revealed that EPIC was more comprehensive in finding video titles on the popular or specialized topics of bonsai, genealogy, karate, and holography, because of its keyword searching ability on the massive OCLC database. (11 references) (EA)

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…