HTML and PDF formats should be sufficient, and the early C Reference Manual is just one of many other document on Dennis Ritchie's page, for anyone interested.
Applied. Gerald Index: readings.html =================================================================== RCS file: /cvs/gcc/wwwdocs/htdocs/readings.html,v retrieving revision 1.264 diff -u -r1.264 readings.html --- readings.html 25 Feb 2017 16:21:37 -0000 1.264 +++ readings.html 25 Feb 2017 21:03:31 -0000 @@ -353,17 +353,12 @@ <li><a href="http://www.open-std.org/jtc1/sc22/wg14/www/docs/n927.htm"> Another formalism for sequence points by D. Hugh Redelmeier</a></li> </ul></li> - <li>C historical information: + <li>C historical information: <ul> - <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="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> - + <a href="https://www.bell-labs.com/usr/dmr/www/chist.pdf">PDF</a>).</li> </ul></li> </ul>