Image processing hardware for a man-machine graphical communication system. - Barrett Hargreaves; John D. Joyce; George L. Cole; Ernest D. Foss; Richard G. Gray; Elmer M. Sharp; Robert J. Sippel; Thomas M. Spellman; Robert A. Thorpe (AFIPS Fall Joint Computing Conference (1), 1964)

The Chord Keyboard. - Nathaniel Rochester; Frank C. Bequaert; Elmer M. Sharp (Computer, 1978)