Description: Papers of Richard Allen and Elaine S. Avner, principal research scientists (1967-1993) in the Computer-based Education Research Laboratory, including correspondences, surveys, notes, handbooks, manuals, floppy disks, data, and an audio recording concerning PLATO; NovaNET; TUTOR; Association for the Development of Computer-Based Instructional Systems; Journal of Computer Based Instruction; copyright; and the University Communications, Inc. This series also includes an audio recording related to the American Educational Research Association conference on the PLATO and TICCIT systems (1974).