Noting that librarians have long debated whether specific library functions may, or should, be scientifically examined, or whether they constitute an art not susceptible to scientific study, this paper reviews and critiques attempts to develop models of library material selection using the theories and methods of scientific investigation. First,…

Reviews meaning and theory of library collections and structure and enumerates ways that data on collections can be organized to reveal underlying global structure (links and connections between collections, parts of collections, and users of collections). Definitions of terms applying to eight models described in text are appended. (53…

Results of this examination of the information needs and gathering behavior of social scientists, especially historians, suggests that existing library and information services may be based on a misunderstanding of their needs. Factors that need to be studied are identified, and research models are suggested. (CLB)