Reports the results of a study which examined the need for and use of both academic and professional materials in library collections for professional education. The measures used included proportions of materials in an existing business collection, and comparisons of patron use and obsolescence rates of academic and professional materials. (CLB)

Reports on a study of the validity of Trueswell's 80/20 collections and holdings rule with regard to the circulation levels for fiction and nonfiction books at the Clearwater Public Library in Florida. Data are presented in five tables, and an 18-item reference list is attached. (JL)

This study of 50 pairs of popular (written for layman) and technical (designed for those having specialized knowledge in particular discipline) monographs matched by subject, date of publication, and date of acquisition indicates that although technical works circulated more than popular, difference was not statistically significant. Seven…

A study at the Emory University School of Business Administration library compared the effectiveness of faculty members and librarians as book selectors. Effectiveness was measured by comparing selected titles with the Baker list published by the Harvard Business School and with business periodical reviews, and by examining circulation records.…

Circulation statistics for 198 books randomly selected from nonjuvenile collection at Allerton Public Library were ascertained. Comparison of experimental group (all related catalog entries withdrawn from card catalog) and control group (all catalog entries left intact) showed no statistically significant influence of removal of cards on…