Report Number: CS-TR-65-33
Institution: Stanford University, Department of Computer Science
Title: A programming language for the 360 computers
Author: Wirth, Niklaus
Date: December 1965
Abstract: This paper is a prelimary definition of a programming language which is specifically designed for use on IBM 360 computers, and is therefore appropriately called PL360.
http://i.stanford.edu/pub/cstr/reports/cs/tr/65/33/CS-TR-65-33.pdf