3 links
Jazzmaster.nl
jazzmasters.nl
Dutch-based directory of European and North American artists by instrument, with emphasis on trombonists and the Netherlands.
NPR : Jazz Musicians, After the Spotlight Fades
npr.org
A series of radio stories on the plight of aging jazz musicians.
PBS: Biographies
pbs.org
More than 50 profiles of jazz greats compiled in conjunction with the Ken Burns film, "Jazz."