Information Processing Language
Newell, A. and F.C. Shaw. "Programming the Logic Theory Machine." Feb. 1957. Proceedings of the Western Joint Computer Conference, pp. 230-240.
Newell, Allen, and Fred M. Tonge. 1960. "An Introduction to Information Processing Language V." CACM 3(4): 205-211.
Newell, Allen. 1964. Information Processing Language-V Manual; Second Edition. Rand Corporation [Allen Newell], Englewood Cliffs, NJ: Prentice-Hall.
Samuel, Arthur L.: Programming Computers to Play Games. In: Advances in Computers, Vol. 1, 1960, pp 165-192 (esp.: 171-175).