Discovered by FATB
Brattle Book Shop
Antiquarian bookshop in Boston, MA, United States
An antiquarian and used bookshop established in 1825, with two floors of general stock, a third floor of rare and antiquarian books, an outdoor sale lot, and appraisals and purchases of single books up to whole estates.
Why FATB discovered it: Member of the International League of Antiquarian Booksellers (ILAB), through the ABAA - International League of Antiquarian Booksellers
Discovery is not verification.