HYDRA: The Kernel of a Multiprocessor Operating System. - William A. Wulf; Ellis S. Cohen; William M. Corwin; Anita K. Jones; Roy Levin; C. Pierson; Fred J. Pollack (Commun. ACM, 1974)

A Semantic Model for Parallel Systems with Scheduling. - Ellis S. Cohen (POPL, 1975)

Protection in the HYDRA Operating System. - Ellis S. Cohen; David Jefferson (SOSP, 1975)

Policy/Mechanism Separation in HYDRA. - Roy Levin; Ellis S. Cohen; William M. Corwin; Fred J. Pollack; William A. Wulf (SOSP, 1975)

Information Transmission in Computational Systems. - Ellis S. Cohen (SOSP, 1977)

Constraint-Based Tiled Windows. - Ellis S. Cohen; Edward T. Smith; Lee A. Iverson (IEEE Computer Graphics and Applications, 1986)

Version Management in Gypsy. - Ellis S. Cohen; Dilip Soni; Raimund Gluecker; William M. Hasling; Robert W. Schwanke; Michael E. Wagner (Software Development Environments (SDE), 1988)

Configuration Management in BiiN SMS. - Robert W. Schwanke; Ellis S. Cohen; Raimund Gluecker; William M. Hasling; D. A. Son; Michael E. Wagner (ICSE, 1989)

UIST '90, the annual symposium on user interface software and technology. - Ellis S. Cohen (ACM SIGCHI Bull., 1991)

Trip Report: UIST '90, The Annual Symposium on User Interface Software and Technology. - Ellis S. Cohen (ACM SIGPLAN Notices, 1991)