This list of Lisp implementations published in 1987, some of which obscure, is a snapshot of what the market and academia offered for various machines. Although Symbolics Genera's Common Lisp is listed, Interlisp is conspicuously missing, probably because nobody at Xerox submitted the information to the editor.

https://dl.acm.org/doi/10.1145/1862396.1862404

#lisp #retrocomputing