Remote X – Connecting to Linux from Windows
http://www.dizwell.com/articles/remote-x-connecting-to-linux-from-windows/
Want RDP like performance for Linux? But secure! Meet, No Machine NX
http://www.redshirtlinux.com/?p=258
Using Linux Remotely
http://fi.laceous.com/post/20724122945/using-linux-remotely
Howto: Linux set up the X Window System to allow remote X sessions via the XDMCP
http://www.cyberciti.biz/faq/howto-linux-set-up-the-x-window-system-to-allow-remote-x-sessions-via-the-xdmcp/
Remote X Tutorial
http://www.stanford.edu/class/cs107/other/x_tutorial/
Remote Access to UNIX X windows applications
http://www.maths.ox.ac.uk/help/faqs/connection/remote-X