Danelectro's UB-2 and the Early Days of 6-String Basses | Reverb News
History of the Six-String Electric Bass - Bass Musician Magazine, The Face of Bass
Rainbow Guitars - While you are staying inside.... you can still think outside. Imagine what you could create with this late 50's Danelectro UB2 6 String Bass/baritone guitar and this early 60's
SurfGuitar101.com | Forums: Danelectro Six String Bass (Bass VI) on ebay
Danelectro's UB-2 and the Early Days of 6-String Basses | Reverb News
Six-String Basses from the 1950s and '60s | Vintage Guitar® magazine
Danelectro Bass VI / 6 String Bass / Baritone Guitar Rare Made in Korea 1st Reissue - YouTube
Danelectro Standard Shorthorn Model 3612 Electric 6-String Bass Guitar (1961/4) | RetroFret