It may include dictionaries, encyclopedias, selected textbooks, surveys, histories, directories, bibliographies, handbooks and a few major periodicals, in the minimum number that will serve the purpose. A basic information collection is not sufficiently intensive to support any courses or independent study in the area involved. It includes a wide range of basis monographs, complete collections of the works of more important writers, selections from the works of secondary writers, a selection of representative journals and the reference tools and fundamental bibliographical apparatus pertaining to the subject. A collection that includes the major published source materials required for dissertations and independent research, including materials containing research reporting, new findings, scientific experimental results and other information useful to researchers. It is intended to include all important reference works and a wide selection of specialized monographs, as well as a very extensive collection of journals and major indexing and abstracting services in the field.
Older material is retained for historical research.
Older material is retained for historical research. National collection responsibility RLG also developed the concept of national collection responsibility. A library that agrees to accept this responsibility for a given subject agrees to collect in the subject at the comprehensive level, process material in the subject on a priority basis, provide services nationwide for other research libraries and preserve indefinitely the material dealing with the subject. This summary of collection development policies for biotechnology serves as a statement of national collection level responsibilities and as a guide for those who wish to utilize the resources of the Libraries for this material. The complete collection development policies of the Libraries should be consulted for additional information.