LISP 1.5 Programmer's Manual cover
LISP 1.5 Programmer's Manual
by John McCarthy, Paul W. Abrahams, Daniel J. Edwards, Timothy P. Hart, Michael I. Levin
ISBN: 0262130114
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ruraljuror · 2016-06-24 · Original thread
Perhaps this is what you're referring to, but according to Kay they can be found in Lisp.

http://queue.acm.org/detail.cfm?id=1039523

https://www.amazon.com/LISP-Programmers-Manual-Michael-Levin...