Cassell, Kay and Simmons, Ellen.  (2011) Three Sides to Every Story: The Net Neutrality Debate. GODORT Washington Report.  

Kay Cassell. Developing Public Library Collections, Policies and Procedures with Elizabeth Futas.  Neal- Schuman Publishers, 1991.

Kay Cassell. Reference and Information Service in the 21st Century, an Introduction. Neal-Schuman Publishers, 2006. With Uma Hiremath.

Kay Cassell. Reference and Information Service in the 21st Century, an Introduction. 2nd edition. Neal-Schuman Publishers, 2009. With Uma Hiremath. 

Kay Cassell. "Meeting User’s Needs through New Reference Service Models” in Radford, M.L. & Lankes, R.D. (eds.) Creating the Reference Renaissance:  Current & Future Trends.  NY:  Neal-Schuman, 2010.

Kay Cassell. Reference and Information Services in the 21st Century, an Introduction.  2nd edition revised.  Neal-Schuman Publishers, 2011. With Uma Hiremath.

Kay Cassell. Reference and Information Services, an Introduction.  3rd edition.  Neal-Schuman Publishers/ALA, 2013.  With Uma Hiremath.

Kay Cassell. “Self-publishing in large academic libraries” in Holley, R. P., ed.  Self-Publishing and Collection Development:  Opportunities and Challenges for Libraries. Purdue University Press, 2015.

Spoerri, A. (2004). MetaCrystal: Visual Interface for Meta Searching. Proceedings of the ACM SIGCHI Conference on Human Factors in Computing Systems (CHI 2004), p. 1558.

Spoerri, A. (2004). MetaCrystal: Visualizing the Degree of Overlap Between Search Engines. Proceedings of the ACM 13th International World Wide Web Conference (WWW 2004), pp. 378-379.