For the Neil Young recordings try Hypperrust.
You may also want to refer Alan Jenkins ('Broken Arrow') wonderful book
on this subject. For Neil´s artwork there´s a great startingpoint
For Bruce Springsteen I can recommend the 'Brucelegs ' pages: or the Bruce Springsteen All His Music site (contains an awfull lot information on brucelegs and lots of artwork!). For the most complete setlist, the Brucebase is the best source (very up-to-date!)
For Phish, check out the 'Helping Phriendly
Book' (HPB) which can be found at www.phish.net
This contains an almost complete overview of every Phish show ever taken place and it's kept very up-to-date. If you are in need of cover art, try The Phish CDR Cover Art Database which contains links to various resources.
For Yes, I can recommend two great sites: forgottenyesterdays.com and www.topographicoceans.com .
For Nick Cave , I suggest the ´Collector´s Hell´
For Patti Smith , goto the Babelogue site.
For Radiohead, the best resources are at atease
For David Bowie goto Teenage Wildlife
For Mike Oldfield goto Tubular.net
For Renaissance goto Northern Lights
For Frank Zappa there are also
numerous source. Try the Zappa
Bootleg Page.the Pages En Regalia page or of course St.Alphonzo´s
Setlists tfor various bands are at setlist.com
If you are in need of cover art, try
this site JAMAKA'S BOOTLEG ARTWORK LINKS which contains links
to numerous sites containing artwork.I also have lots of artwork available
in JPG or BMP format.
Of course there are numerous other internet sources. If you can't find the info you're looking for, ask me and I'll send any info you require and if you know of excellent internet references, please lemme know, too.