Griswold, R. E.; D. R. Hanson and J. T. Korb, "The Icon programming language: an overview", pp18-31

[HOPL I] (1979) SIGPLAN Notices 14(04) April 1979 including The first ACM SIGPLAN conference on History of programming languages (HOPL) Los Angeles, CA, June 1-3, 1978   Ralph E. Griswold

Languages mentioned Icon {1980} String manipulation language with generator capabilities