It's not an easy job, but someone has to do it: I spent Friday and Saturday in New York City browsing the antiquarian book fairs.

Book Dealer: Antiquarian & Rare
(425) 750-4513
Specializing in Pulp Fiction Magazines, Science Fiction, fantasy and horror. Also (more)
Book Dealer: Antiquarian & Rare
Via Biblio.com books WW II,e.g.: Anne Frank's Diary 'Het Achterhuis.'