Chrotta hi-res stock photography and images - Alamy
Rotta (Rekonstruktion) - Detail
The Project Gutenberg eBook of Musical Instruments, by Carl Engel
Rotta (instrument) - Wikipedia
Musical instruments . France, who call it rebck. TheBretons, it will be remembered, arc close kinsmen of the Welsh.A player on the crwth or crowd (a crowder) from a bas-relief on
Musical Instruments, by Carl Engel—A Project Gutenberg eBook