1. Case, Beau David. “Approval Plan Evaluation Studies: A Selected Annotated Bibliography,” Against The Grain, 8 (1996), 18–21, 24.
2. ARL SPEC Kit, No. 221, 29–46.
3. American Library Association, Resources, andTechnical Services Division, Resources Section, Collection Management, and Development Committee, and the Acquisitions Committee. Guide to Performance Evaluation of Library Materials Vendors. Chicago: American Library Association, 1988.
4. Ibid., p. 1.
5. An Approval Plan Vendor Review;Womack;Library Acquisitions: Practice & Theory,1988