1

William M. Newman , Robert F. Sproull, Principles of interactive computer graphics (2nd ed.), McGraw-Hill, Inc., New York, NY, 1979

2

{10GR} W. M. Newman and R. F., Sproull, "An Approach to Graphics System Design," Proceedings of the IEEE, April 1974.

3

{Omnigraph.brief} R. F. Sproull, "Omnigraph -- Simple Terminal-Independent Graphics Software," Xerox PARC Report CSL-73-4.

4

{Omnigraph} "PDP-10 Display Systems," available from Computer Center Branch, Division of Computer Research and Technology, National Institutes of Health, Bethesda, Maryland 20014.

5

{NIC 19933} "Proposed Network Graphics Protocol," Network Information Center 19933. (Unfortunately, this is no longer available from the NIC.)

6

{NLS} D. C. Engelbart and W. K. English, "A Research Center for Augmenting Human Intellect," FJCC 1968, p. 395.

Elaine L. Thomas, Methods for specifying display parameters in graphics programming languages, ACM SIGGRAPH Computer Graphics, v.10 n.1, p.54-56, Spring 1976

R. Daniel Bergeron , Peter R. Bono , James D. Foley, Graphics Programming Using the Core System, ACM Computing Surveys (CSUR), v.10 n.4, p.389-443, Dec. 1978

K. A. Lantz , W. I. Nowicki, Structured Graphics for Distributed Systems, ACM Transactions on Graphics (TOG), v.3 n.1, p.23-51, Jan. 1984

Keith A. Lantz , Richard F. Rashid, Virtual terminal management in a multiple process environment, Proceedings of the seventh ACM symposium on Operating systems principles, p.86-97, December 10-12, 1979, Pacific Grove, California, United States

David Arnold, The requirement for process structured graphics systems, ACM SIGGRAPH Computer Graphics, v.15 n.2, July 1981

Jerome A. Feldman, High level programming for distributed computing, Communications of the ACM, v.22 n.6, p.353-368, June 1979

Robert F. Sproull, Raster graphics for interactive programming environments, ACM SIGGRAPH Computer Graphics, v.13 n.2, p.83-93, August 1979

G. F. P. Deecker , J. P. Penny, Standard input forms for interactive computer graphics, ACM SIGGRAPH Computer Graphics, v.11 n.1, p.32-40, Spring 1977

Warren Teitelman, A display oriented programmer's assistant, Proceedings of the 5th international joint conference on Artificial intelligence, p.905-915, August 22-25, 1977, Cambridge, USA

Robert F. Sproull: colleagues

Elaine L. Thomas: colleagues