http://www.myrareguitars.com/

http://search-desc.ebay.com/search/search.dll?query=rare+bass+guitars&newu=1&krd=1&sosortproperty=32&sosortorder=2

http://en.wikipedia.org/wiki/Bass_(guitar)

http://www.myrareguitars.com/affordableBASS.html

http://www.zzounds.com/item--drsrpb5

http://www.vintageandrareguitars.com/

http://www.nextag.com/rare-electric-bass-guitar/search-html

http://www.cheapbandgear.com/Bass_Guitars_s/196.htm

http://www.normansrareguitars.com/GL-SB-1-Bass.html

http://www.jamplay.com/equipment/dr-strings/dr-strings-rpb5-rare-5-string-acoustic-bass-strings-medium-45-125.html