Web Directory

» Computer Languages History
   Timeline chart, 1954 to today, printable; links to homes of many languages.
   http://www.levenez.com/lang/

» Diagram of Languages
   Two diagrams showing how many languages are related to each other.
   http://merd.sourceforge.net/pixel/language-study/diagram.html

» Historic Documents in Computer Science
   Original, historic first documents for many early programming languages, like language manualsa, scanned and converted to PDF form.
   http://www.fh-jena.de/~kleine/history/

» History and Comparison of Programming Languages
   Papers on use history of: comments, labels, literals, parentheses.
   http://www.gavilan.edu/csis/languages/history.html

» History and Evolution
   A list of computer languages and some links to compilers for these languages.
   http://www.scriptol.org/history.php

» O'Reilly: The History of Programming Languages
   A poster plots over 50 programming languages on a multi-layered, color-coded timeline.
   http://oreilly.com/news/languageposter_0504.html

» The Retrocomputing Museum
   Dedicated to programs that induce sensations that hover somewhere between nostalgia and nausea. The freaks, jokes, and fossils of computing history.
   http://www.catb.org/~esr/retro/

» Wikipedia: PL/I
   An encyclopedia description of PL/I history with many links to programming terms.
   http://en.wikipedia.org/wiki/PL/I_programming_language