Reviews the goals and methods of research and development in documentation, stressing research which aims to improve the communication between the information user and source. Research is discussed within the context of the documentation system rather than by specific results. (JVP)

Introduces Q-analysis, a methodology for investigating a wide range of structural phenomena that defines structures in terms of relations between members of sets and reveals their salient features by using techniques of algebraic topology. Applications relevant to librarianship and information science are reviewed and present limitations…