+ <li> <a
+ href="http://www.catb.org/~esr/writings/taoup/html/ch02s01.html">Origins
+ and History of Unix, 1969-1995</a> by Eric Steven Raymond. </li>
+
+ <li> <a
+ href="https://www.newyorker.com/business/currency/the-gnu-manifesto-turns-thirty">
+ The GNU Manifesto Turns Thirty</a>, by Maria Bustillos. </li>
+
+ <li> <a
+ href="http://www.catb.org/~esr/writings/unix-koans/end-user.html">
+ The Koan of Master Foo and the End User</a>. </li>
+