1987 · Shurtleff, Malcolm C., Melton, T.A. · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign)
1986 · Malcolm C. Shurtleff, T. A. Melton · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign)
1985 · Turgeon, Alfred J., 1943-, Randall, R,, et al. · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign)