At this year's NY book fair, I very luckily bumped into Stephen Ferguson, curator of rare books at Princeton University.
Ephemera & Memorabilia Dealer
(860) 929-6203
178,000 items of ephemera on line, 15,000 books in stock, none listed on line; (more)
Book Dealer: Antiquarian & Rare
(978) 887-4053
Kuenzig Books deals in science, technology, engineering, mathematics, early (more)
Service Company
(978) 793-1100
Rare Book and Private Library Consulting. Collection Management, Exhibition (more)
