For anyone who hasn't noticed, the Galaxy Image on TravellerMap (when you pan-out to maximum size) has been labelled with the T5 Galactic Regions & Sophont-Races.
http://www.travellermap.com/?options=58363&x=-55.927&y=5434.186&scale=0.03125
http://www.travellermap.com/?options=58363&x=-55.927&y=5434.186&scale=0.03125