Sub-Elementary Classes of Functions and Relations. - Keith Harrow (1973)

Small Grzegorczyk classes and limited minimum. - Keith Harrow (Math. Log. Q., 1975)

How to show something is not: Proofs in formal language and computability theory. - Keith Harrow (SIGCSE, 1978)

The Bounded Arithmetic Hierarchy - Keith Harrow (Inf. Control., 1978)

Equivalence of some Hierarchies of Primitive Recursive Functions. - Keith Harrow (Math. Log. Q., 1979)

A faculty development program. - Keith Harrow (SIGCSE, 1982)

Teching PL/I using a microcomputer. - Keith Harrow; Yedidyah Langsam; David E. Goldberg (ACM SIGCSE Bull., 1986)

SmartTutor: a unified approach for enhancing science education. - Keith Harrow; Ronald Eckhardt; Danny Kopec; Mark N. Kobrak; Paula A. Whitlock (J. Comput. Sci. Coll., 2007)