https://www.metmuseum.org/art/collection/search/504210
Joachim Tielke - Cittern - German - The Metropolitan Museum of Art
The bell-shaped cittern was a specialty of the city of Hamburg and is properly referred to as the Hamburger Cithrinchen. It was a fashionable instrument...
the metropolitan museumjoachimcitterngermanart
https://www.christies.com/lot/lot-6437486
A SIX-COURSE DOUBLE STRUNG CITTERN, PROBABLY URBINO SCHOOL, MID-16TH CENTURY, THE SOUNDBOARD...
PROBABLY URBINO SCHOOL, MID-16TH CENTURY, THE SOUNDBOARD PROBABLY REPLACED IN THE EARLY 18TH CENTURY
https://www.cittern.amhstrings.com/home
The Renaissance Cittern Site
the renaissancecitternsite