--- a/cygwin.rst	Sat Feb 18 14:03:17 2017 +0200
+++ b/cygwin.rst	Sat Feb 18 14:05:36 2017 +0200
@@ -98,6 +98,13 @@
 
 https://github.com/transcode-open/apt-cyg/
   Home page.
+https://github.com/transcode-open/apt-cyg/issues/19
+  Request to support multiply sources.
+http://stackoverflow.com/questions/22411162/how-to-add-a-repository-using-apt-cyg/
+  How to add a repository using apt-cyg.
+https://odoepner.wordpress.com/2012/12/06/install-cygwin-and-cygwinports-packages-using-apt-cyg/
+  Depricated way to install from several sources with ``-m`` option using shell
+  aliases as a trick.
 
 Installation on Windows XP
 ==========================