1. Reference Services in the New Millenium;Tenopir;Online,2001
2. Changing Reference Service Environment: A Review of Perspectives;Rieh;Journal of Academic Librarianship,1999
3. Reference Questions in the Library of the Future;Hisle;Chronicle of Higher Education,2005
4. Are Reference Desks Dying Out? Librarians Struggle to Redefine–and in Some Cases Eliminate–the Venerable Institution;Carlson;Chronicle of Higher Education,2007
5. Herman, Douglas. “But Does it Work? Evaluating the Brandeis Reference Model,” Reference Services Review 22 (1994): 17–28, p. 17.