1981 · Thomas A. Prickett, Carl G. Lonnquist, et al. · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign) · 230
1971 · Thomas A. Prickett, Carl G. Lonnquist · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign) · 195
1964 · Thomas A. Prickett, L.R. Hoover, et al. · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign) · 15
1973 · Thomas A. Prickett, Carl G. Lonnquist · Illinois Digital Environment for Access to Learning and Scholarship (University of Illinois at Urbana-Champaign) · 9