This article describes the roles of librarians in a research library, particularly in the digital era. Librarians' roles vary from the custodian of resources to providers of a diverse nature of activities ranging from collection development, organization of knowledge, information services, preservation and conservation, and management. Librarians…

Increasing demand for biotechnology and biomedical resources prompted the Engineering Library at the University of Colorado at Boulder (UCB) to complete a collection assessment of the journals, books, and other resources provided by the University Libraries. This paper presents a variety of methods for evaluating library collections and describes…