Index: head/en_US.ISO8859-1/books/handbook/introduction/chapter.xml
===================================================================
--- head/en_US.ISO8859-1/books/handbook/introduction/chapter.xml
+++ head/en_US.ISO8859-1/books/handbook/introduction/chapter.xml
@@ -743,14 +743,6 @@
 	</listitem>
 
 	<listitem>
-	  <para><link xlink:href="http://www.pair.com/">Pair
-	      Networks</link>
-	    <indexterm>
-	      <primary>Pair Networks</primary>
-	    </indexterm></para>
-	</listitem>
-
-	<listitem>
 	  <para><link xlink:href="http://www.sony.co.jp/">Sony
 	      Japan</link>
 	    <indexterm>
@@ -778,22 +770,6 @@
 	  <para><link xlink:href="http://www.163.com/">NetEase</link>
 	    <indexterm>
 	      <primary>NetEase</primary>
-	    </indexterm></para>
-	</listitem>
-
-	<listitem>
-	  <para><link
-	      xlink:href="http://www.weathernews.com/">Weathernews</link>
-	    <indexterm>
-	      <primary>Weathernews</primary>
-	    </indexterm></para>
-	</listitem>
-
-	<listitem>
-	  <para><link xlink:href="http://www.telehouse.com/">TELEHOUSE
-	      America</link>
-	    <indexterm>
-	      <primary>TELEHOUSE America</primary>
 	    </indexterm></para>
 	</listitem>