The links to http://cm.bell-labs.com/cm/cs/who/dmr/ no logner work, these appear to be the right ones now.
Committed to CVS.
Index: htdocs/readings.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/readings.html,v retrieving revision 1.242 diff -u -r1.242 readings.html --- htdocs/readings.html 14 Nov 2015 23:40:21 -0000 1.242 +++ htdocs/readings.html 17 Feb 2016 13:38:11 -0000 @@ -360,11 +360,11 @@ <ul> - <li><a href="http://cm.bell-labs.com/cm/cs/who/dmr/chist.html";>The + <li><a href="https://www.bell-labs.com/usr/dmr/www/chist.html";>The Development of the C Language</a>, by Dennis M. Ritchie (also in - <a href="http://cm.bell-labs.com/cm/cs/who/dmr/chist.ps";>PostScript</a> - and <a href="http://cm.bell-labs.com/cm/cs/who/dmr/chist.pdf";>PDF</a>).</li> - <li>An early <a href="http://cm.bell-labs.com/cm/cs/who/dmr/cman.ps";>C + <a href="https://www.bell-labs.com/usr/dmr/www/chist.ps";>PostScript</a> + and <a href="https://www.bell-labs.com/usr/dmr/www/chist.pdf";>PDF</a>).</li> + <li>An early <a href="https://www.bell-labs.com/usr/dmr/www/cman.ps";>C Reference Manual</a>.</li> </ul></li>
