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 the work of the Centre for Catalogue Research at the University of Bath (England), some of which deals with visual factors affecting the design and performance of library catalogues and indexes. (FL)

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)