Speech-enabling the data structures curriculum. - Dennis Higgins (J. Comput. Sci. Coll., 2000)

A Java implementation for Peirce's existential graphs. - Dennis Higgins; Bram van Heuveln; Elizabeth Hatfield; Deborah Kilpatrick; Lut Wong (J. Comput. Sci. Coll., 2001)

Speech-enabled SQL database applications using Java. - Dennis Higgins; Kathleen Nally (J. Comput. Sci. Coll., 2001)

A software engineering project: tying together themes and trying out teams in a CS curriculum. - Dennis Higgins (J. Comput. Sci. Coll., 2003)