Instrument

•  Archtop (4)
•  Bracewood and blocks (17)
•  Cello (17)
•  Doublebass (14)
•  Electric Instruments (101)
•  Guitar (206)
•  Harp Guitar (4)
•  Harpsicord (2)
•  Plucked Instruments (19)
•  Strumenti a pizzico (1)
•  Theorba (1)
•  Ukulele (30)
•  Viola (17)
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•  Violin (14)

Wood

•  African Ebony (3)
•  Figured Maple (6)
•  Figured Poplar (6)
•  Indian Boxwood (1)
•  Italian Alpine Spruce (2)
•  Willow (1)

Element

•  Back (8)
•  Fingerboard (3)
•  Graft (1)
•  Machine Heads (1)
•  Neck (2)
•  Purflings and bindings (1)
•  Set up (1)
•  Sides (2)
•  Soundboard (2)

Quality

•  EE (15)
•  E (15)
•  I (17)
•  II (14)
•  III (2)