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…

Reports results of survey of 363 academic libraries designed to study: (1) media collections (audio formats, visual formats, audiovisual formats) and how they are arranged, accessed, and circulated; (2) staffing configurations; (3) space and funding allocations; and (4) other services offered within the media center. Questionnaire is appended. (8…