APL/Z80: An APL interpreter for Z80 microcomputers. - John E. Howland; Philip A. Van Cleave (APL, 1979)

The impact of microcomputers on APL. - Philip A. Van Cleave (APL, 1982)

A.P. 1 APL.68000's local auxiliary processor mechanism. - Philip A. Van Cleave (APL, 1983)

Writing interpreters (panel). - Robert Bernicky; Geno Coschi; James L. Ryan; Bob Smith; Philip A. Van Cleave; James G. Wheeler (APL, 1985)

APL microcomputer products (panel). - John D. Burger; John W. Myrna; Richard S. Paulson; David Saunders; Richard M. Smith; Philip A. Van Cleave; John C. Wilson (APL, 1985)