April 1988 
Dr. Dobb's Journal 

KRUTE.ASC
To the Macs
by Stan Krute

AMSTERDA.ASC
Creating and Adventurous Language
by Jonathan Amsterdam

PORTER.ASC 
Structured Programming Column
by Kent Porter 

REIS.ASC
Theorem Proving using Semantic Resolution
by Anthony Dos Reis

TRACY.ASC
Forth Column
by Martin Tracy

THOMPSON.ASC
Topics in Knowledge-based Languages
by Bill and Bev Thompson