The use of threaded lists in constructing a combined ALGOL and machine-like assembly processor. - Arthur Evans Jr.; Alan J. Perlis; H. Van Zoeren (Commun. ACM, 1961)

LC2: a language for conversational computing. - J. G. Mitchell; Alan J. Perlis; H. Van Zoeren (Symposium on Interactive Systems for Experimental Applied Mathematics, 1967)