Brinch Hansen, Per "Monitors and concurrent Pascal: a personal history" pp1-35

[HOPL II] (1993) [ACM SIGPLAN] SIGPLAN Notices 28(03) March 1993 The second ACM SIGPLAN conference on History of programming languages (HOPL II)   Per Brinch Hansen

Languages mentioned Alphard {1974} Pascal with data abstraction CCNPascal {1979} Concurrent pascal dialect Concurrent Pascal {1972} Dialect of Pascal which supports monitors Edison {1980} Simplified coroutine Pascal for teaching Joyce {1987} Simplified experimental Concurrent Pascal PLY {1979} PREDULA {1991} Data-parallel Pascal SB-Mod {1981} Simone {1976} Turing Plus {1987}