Discusses collection development policy as means to express and systematize guidelines for collection building that fulfill three basic functions: the referential, the generative, the rhetorical. Division of policy into subject categories, and use of "collection levels" to rank the collection and collecting effort for each subject are…

Argues that collection development systems need to exert greater control over scholarly and educational information if the systems are to adapt to changing technical and economic conditions. Steps toward increased control should include categorization of sources and access by function, ongoing definition of a title-specific core, and the…