1. National Commission on Libraries and Information Science, The role of fees in supporting library and information services in public and academic libraries. In: F. Simora (Editor), The Bowker Annual of Library and Book Trade Information, 31st ed. ( Bowker, 1986) 97-100.
2. Karmen T. Crowther , Subsidized computer search fees in an academic library. In: Martha E. Williams and Thomas H. Hogan (Compilers), Proceedings of the National Online Meeting, New York, March 24-26, 1981 (Learned Information, Medford, NJ, 1981) 151-157.
3. User Fees