Here are a few links that you might find useful or interesting. Please contact me if they appear to have died or if you come across a site that should be more widely known.
Double Bass - http://www.gollihur.com/kkbass/basslink.html
International Society of Bassists - http://www.isbworldoffice.com
The ISB was founded by the world-renowned virtuoso Gary Karr in 1967. With some 3,000 members in over 40 countries, the ISB is an organization for those who teach, study, play, repair, build and enjoy the double bass.
Bass Inside - An online bass magazine that covers an
eclectic selection of bass topics every month.
Moses Graphite - The source for Carbon -Graphite necks, fingerboards and even bridges. www.moses.com
Bass Frontiers - www.bassfrontiers.com
Bassics - www.bassics.com
Bass Player - www.bassplayer.com
Holly Cole- Holly’s touring band features George Koller’s exquisite playing on his Lyric Upright. www.hollycole.com