The second version of Lisp , successor to LISP 1 . Developed at MIT in 1959. Followed by LISP 1.75, LISP 1.9, Lisp 2 and many other versions.
LISP 1.5
Meaning of LISP 1.5 in English
FOLDOC computer English dictionary. Английский словарь по компьютерам FOLDOC. 2012