Here is a good place to start,

http://www.celestialnavigation.net/

But you may have already been there, but the knowledge still has uses today. Years ago the Coast Guard offered courses in celestial navigation. Friend of mine went through the course so that he could "hitch a ride" on sailboats he could not afford by offering his services as a back up to the GPS.

You might also look into orienteering,

http://www.4orienteering.com/

It might be possible to find a club in your area that can show you the way. HTH