Kameny, S Remarks on LISP 2 during the IFIP Symbol Manipulation Language Conference

Bobrow, D. G. (ed) (1968) Bobrow, D. G. (ed) "Symbol Manipulation Languages and Techniques", Proceedings of the IFIP Working Conference on Symbol Manipulation Languages. North-Holland Publishing Co., Amsterdam, 1968  

Languages mentioned LISP 2 {1963} A system based on ALGOL but also containing many of the facilities and concepts of the original LISP systems.