Antiquarian

Boulder Early Music Shop
Medieval, Renaissance and Baroque music, instruments, and accessories.
http://www.bems.com/

Wurlitzer-Bruck
(New York, NY) Antiquarian and rare music materials bought, sold and appraised: books, printed and manuscript scores, facsimiles, prints and engravings, autographs, instruments, objets d'art and ephemera: illustrated online catalog; contact information.
http://www.wurlitzerbruck.com/