During summer and fall quarters, 1972, Southern Illinois University Library Map Room circulated 2,721 maps and aerial photos to 223 borrowers. The circulation rates are analyzed in terms of academic status, department, purpose, area, subject, and form. (Author/CH)

Data were gathered from 419 science and technology libraries and 281 business libraries on their general characteristics, resource-sharing network membership and frequency of use, current and desired network services, problems with networks, and reasons for nonmembership. Results indicated that more science-technology librarians use…

An analysis of retrieved citations and user feedback shows that no single data base for agriculture is sufficiently comprehensive in coverage. In terms of maximum information yield and relative ease of effective profile construction, BIOSIS Previews and the Commonwealth Agricultural Bureaux file were the most productive data bases. (Author)