The Unique Guitar Blog: The Fender VI (six string bass)
Why Play 6-String Bass Guitar? | MyRareGuitars.com
Danelectro's UB-2 and the Early Days of 6-String Basses | Reverb News
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
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's UB-2 and the Early Days of 6-String Basses | Reverb News
Danelectro Longhorn Model 4623 Electric 6-String Bass Guitar , c. 1967 | RetroFret
Danelectro DB604 Black Burst – Thomann UK
Danelectro Longhorn Model 4623 Electric 6-String Bass Guitar (1963) | RetroFret
Danelectro 6 String Bass Guitar 3612 | Inside & Out | 6 String Bass or Baritone? - YouTube
Six-String Basses from the 1950s and '60s | Vintage Guitar® magazine