Anyone that's ever worked with rare books holds on to the hope that someday they'll dust off an old tome and out will spill some previously undiscovered - but amazingly relevant - piece of ephemera.

Book Dealer: Antiquarian & Rare
Specialists in CHARLES DICKENS and HARRY POTTER
Book Dealer: Antiquarian & Rare
(207) 883-1119
Specializing in early American books, maps, views and ephemera with an emphasis on (more)
Autograph Dealer
(516) 922-2192
Rare music- and dance-related material, 15th-21st centuries, including autograph (more)
Book Dealer: Antiquarian & Rare
(845) 264-7256
Via Biblio.com: mathematics & science; history of science; first-edition fiction (more)